Home / 3,147,314.40-4,720,608.72-873,007.20

Finding the Fourth Proportional to 3,147,314.40, 4,720,608.72 and 873,007.20

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Solution

The fourth proportional to 3,147,314.40, 4,720,608.72 and 873,007.20 is: 1,309,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,314.40 : 4,720,608.72 = 873,007.20 : x
  2. Step 2: Convert to fraction form
    3,147,314.40/4,720,608.72 = 873,007.20/x
  3. Step 3: Cross multiply
    3,147,314.40x = 4,720,608.72 × 873,007.20
  4. Step 4: Simplify right side
    3,147,314.40x = 4,121,125,400,942.78
  5. Step 5: Solve for x
    x = 4,121,125,400,942.78/3,147,314.40
  6. Step 6: Final answer
    x = 1,309,410.14

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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.