Home / 3,186,257.10-4,778,721.45-1,165,452.90

Finding the Fourth Proportional to 3,186,257.10, 4,778,721.45 and 1,165,452.90

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Solution

The fourth proportional to 3,186,257.10, 4,778,721.45 and 1,165,452.90 is: 1,747,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,257.10 : 4,778,721.45 = 1,165,452.90 : x
  2. Step 2: Convert to fraction form
    3,186,257.10/4,778,721.45 = 1,165,452.90/x
  3. Step 3: Cross multiply
    3,186,257.10x = 4,778,721.45 × 1,165,452.90
  4. Step 4: Simplify right side
    3,186,257.10x = 5,569,374,772,194.71
  5. Step 5: Solve for x
    x = 5,569,374,772,194.71/3,186,257.10
  6. Step 6: Final answer
    x = 1,747,936.40

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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.