Home / 3,220,103.20-4,830,154.80-2,899,386.40

Finding the Fourth Proportional to 3,220,103.20, 4,830,154.80 and 2,899,386.40

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Solution

The fourth proportional to 3,220,103.20, 4,830,154.80 and 2,899,386.40 is: 4,349,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,103.20 : 4,830,154.80 = 2,899,386.40 : x
  2. Step 2: Convert to fraction form
    3,220,103.20/4,830,154.80 = 2,899,386.40/x
  3. Step 3: Cross multiply
    3,220,103.20x = 4,830,154.80 × 2,899,386.40
  4. Step 4: Simplify right side
    3,220,103.20x = 14,004,485,137,014.72
  5. Step 5: Solve for x
    x = 14,004,485,137,014.72/3,220,103.20
  6. Step 6: Final answer
    x = 4,349,079.60

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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.