Home / 4,818,260.90-7,217,755.22-2,898,111.80

Finding the Fourth Proportional to 4,818,260.90, 7,217,755.22 and 2,898,111.80

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Solution

The fourth proportional to 4,818,260.90, 7,217,755.22 and 2,898,111.80 is: 4,341,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818,260.90 : 7,217,755.22 = 2,898,111.80 : x
  2. Step 2: Convert to fraction form
    4,818,260.90/7,217,755.22 = 2,898,111.80/x
  3. Step 3: Cross multiply
    4,818,260.90x = 7,217,755.22 × 2,898,111.80
  4. Step 4: Simplify right side
    4,818,260.90x = 20,917,861,572,593.59
  5. Step 5: Solve for x
    x = 20,917,861,572,593.59/4,818,260.90
  6. Step 6: Final answer
    x = 4,341,371.71

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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.