Home / 3,155,605.20-4,734,195.06-911,743.20

Finding the Fourth Proportional to 3,155,605.20, 4,734,195.06 and 911,743.20

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Solution

The fourth proportional to 3,155,605.20, 4,734,195.06 and 911,743.20 is: 1,367,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,605.20 : 4,734,195.06 = 911,743.20 : x
  2. Step 2: Convert to fraction form
    3,155,605.20/4,734,195.06 = 911,743.20/x
  3. Step 3: Cross multiply
    3,155,605.20x = 4,734,195.06 × 911,743.20
  4. Step 4: Simplify right side
    3,155,605.20x = 4,316,370,153,428.59
  5. Step 5: Solve for x
    x = 4,316,370,153,428.59/3,155,605.20
  6. Step 6: Final answer
    x = 1,367,842.26

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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.