Home / 5,172,729.48-7,138,587.24-2,880,890.16

Finding the Fourth Proportional to 5,172,729.48, 7,138,587.24 and 2,880,890.16

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Solution

The fourth proportional to 5,172,729.48, 7,138,587.24 and 2,880,890.16 is: 3,975,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,729.48 : 7,138,587.24 = 2,880,890.16 : x
  2. Step 2: Convert to fraction form
    5,172,729.48/7,138,587.24 = 2,880,890.16/x
  3. Step 3: Cross multiply
    5,172,729.48x = 7,138,587.24 × 2,880,890.16
  4. Step 4: Simplify right side
    5,172,729.48x = 20,565,485,736,017.56
  5. Step 5: Solve for x
    x = 20,565,485,736,017.56/5,172,729.48
  6. Step 6: Final answer
    x = 3,975,751.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.