Home / 6,131,509.92-8,460,836.64-3,553,999.20

Finding the Fourth Proportional to 6,131,509.92, 8,460,836.64 and 3,553,999.20

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Solution

The fourth proportional to 6,131,509.92, 8,460,836.64 and 3,553,999.20 is: 4,904,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131,509.92 : 8,460,836.64 = 3,553,999.20 : x
  2. Step 2: Convert to fraction form
    6,131,509.92/8,460,836.64 = 3,553,999.20/x
  3. Step 3: Cross multiply
    6,131,509.92x = 8,460,836.64 × 3,553,999.20
  4. Step 4: Simplify right side
    6,131,509.92x = 30,069,806,649,890.69
  5. Step 5: Solve for x
    x = 30,069,806,649,890.69/6,131,509.92
  6. Step 6: Final answer
    x = 4,904,143.85

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1.5x scale

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.