Home / 5,460,423.20-8,190,634.80-4,397,541.20

Finding the Fourth Proportional to 5,460,423.20, 8,190,634.80 and 4,397,541.20

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Solution

The fourth proportional to 5,460,423.20, 8,190,634.80 and 4,397,541.20 is: 6,596,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460,423.20 : 8,190,634.80 = 4,397,541.20 : x
  2. Step 2: Convert to fraction form
    5,460,423.20/8,190,634.80 = 4,397,541.20/x
  3. Step 3: Cross multiply
    5,460,423.20x = 8,190,634.80 × 4,397,541.20
  4. Step 4: Simplify right side
    5,460,423.20x = 36,018,653,987,153.76
  5. Step 5: Solve for x
    x = 36,018,653,987,153.76/5,460,423.20
  6. Step 6: Final answer
    x = 6,596,311.80

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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.