Home / 2,120,641.20-3,179,910.69-754,210.08

Finding the Fourth Proportional to 2,120,641.20, 3,179,910.69 and 754,210.08

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Solution

The fourth proportional to 2,120,641.20, 3,179,910.69 and 754,210.08 is: 1,130,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,641.20 : 3,179,910.69 = 754,210.08 : x
  2. Step 2: Convert to fraction form
    2,120,641.20/3,179,910.69 = 754,210.08/x
  3. Step 3: Cross multiply
    2,120,641.20x = 3,179,910.69 × 754,210.08
  4. Step 4: Simplify right side
    2,120,641.20x = 2,398,320,695,897.76
  5. Step 5: Solve for x
    x = 2,398,320,695,897.76/2,120,641.20
  6. Step 6: Final answer
    x = 1,130,941.29

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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.