Home / 3,840,144.80-5,760,217.20-3,676,330.40

Finding the Fourth Proportional to 3,840,144.80, 5,760,217.20 and 3,676,330.40

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Solution

The fourth proportional to 3,840,144.80, 5,760,217.20 and 3,676,330.40 is: 5,514,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,144.80 : 5,760,217.20 = 3,676,330.40 : x
  2. Step 2: Convert to fraction form
    3,840,144.80/5,760,217.20 = 3,676,330.40/x
  3. Step 3: Cross multiply
    3,840,144.80x = 5,760,217.20 × 3,676,330.40
  4. Step 4: Simplify right side
    3,840,144.80x = 21,176,461,602,962.88
  5. Step 5: Solve for x
    x = 21,176,461,602,962.88/3,840,144.80
  6. Step 6: Final answer
    x = 5,514,495.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.