Home / 2,486,805.90-3,730,208.65-689,689.35

Finding the Fourth Proportional to 2,486,805.90, 3,730,208.65 and 689,689.35

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Solution

The fourth proportional to 2,486,805.90, 3,730,208.65 and 689,689.35 is: 1,034,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,805.90 : 3,730,208.65 = 689,689.35 : x
  2. Step 2: Convert to fraction form
    2,486,805.90/3,730,208.65 = 689,689.35/x
  3. Step 3: Cross multiply
    2,486,805.90x = 3,730,208.65 × 689,689.35
  4. Step 4: Simplify right side
    2,486,805.90x = 2,572,685,194,033.27
  5. Step 5: Solve for x
    x = 2,572,685,194,033.27/2,486,805.90
  6. Step 6: Final answer
    x = 1,034,533.97

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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.