Home / 5,755,983.78-8,629,421.02-2,161,350.30

Finding the Fourth Proportional to 5,755,983.78, 8,629,421.02 and 2,161,350.30

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Solution

The fourth proportional to 5,755,983.78, 8,629,421.02 and 2,161,350.30 is: 3,240,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755,983.78 : 8,629,421.02 = 2,161,350.30 : x
  2. Step 2: Convert to fraction form
    5,755,983.78/8,629,421.02 = 2,161,350.30/x
  3. Step 3: Cross multiply
    5,755,983.78x = 8,629,421.02 × 2,161,350.30
  4. Step 4: Simplify right side
    5,755,983.78x = 18,651,201,710,403.30
  5. Step 5: Solve for x
    x = 18,651,201,710,403.30/5,755,983.78
  6. Step 6: Final answer
    x = 3,240,315.20

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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.