Home / 2,172,573.90-2,998,220.13-1,254,785.85

Finding the Fourth Proportional to 2,172,573.90, 2,998,220.13 and 1,254,785.85

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Solution

The fourth proportional to 2,172,573.90, 2,998,220.13 and 1,254,785.85 is: 1,731,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,573.90 : 2,998,220.13 = 1,254,785.85 : x
  2. Step 2: Convert to fraction form
    2,172,573.90/2,998,220.13 = 1,254,785.85/x
  3. Step 3: Cross multiply
    2,172,573.90x = 2,998,220.13 × 1,254,785.85
  4. Step 4: Simplify right side
    2,172,573.90x = 3,762,124,194,309.16
  5. Step 5: Solve for x
    x = 3,762,124,194,309.16/2,172,573.90
  6. Step 6: Final answer
    x = 1,731,643.83

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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.