Home / 4,676,389.20-7,013,125.80-1,837,371.60

Finding the Fourth Proportional to 4,676,389.20, 7,013,125.80 and 1,837,371.60

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Solution

The fourth proportional to 4,676,389.20, 7,013,125.80 and 1,837,371.60 is: 2,755,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676,389.20 : 7,013,125.80 = 1,837,371.60 : x
  2. Step 2: Convert to fraction form
    4,676,389.20/7,013,125.80 = 1,837,371.60/x
  3. Step 3: Cross multiply
    4,676,389.20x = 7,013,125.80 × 1,837,371.60
  4. Step 4: Simplify right side
    4,676,389.20x = 12,885,718,172,147.28
  5. Step 5: Solve for x
    x = 12,885,718,172,147.28/4,676,389.20
  6. Step 6: Final answer
    x = 2,755,484.55

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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.