Home / 2,569,170.76-3,854,616.49-840,120.32

Finding the Fourth Proportional to 2,569,170.76, 3,854,616.49 and 840,120.32

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Solution

The fourth proportional to 2,569,170.76, 3,854,616.49 and 840,120.32 is: 1,260,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569,170.76 : 3,854,616.49 = 840,120.32 : x
  2. Step 2: Convert to fraction form
    2,569,170.76/3,854,616.49 = 840,120.32/x
  3. Step 3: Cross multiply
    2,569,170.76x = 3,854,616.49 × 840,120.32
  4. Step 4: Simplify right side
    2,569,170.76x = 3,238,341,649,742.77
  5. Step 5: Solve for x
    x = 3,238,341,649,742.77/2,569,170.76
  6. Step 6: Final answer
    x = 1,260,461.82

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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.