Home / 2,250,158.53-3,105,195.10-1,217,643.72

Finding the Fourth Proportional to 2,250,158.53, 3,105,195.10 and 1,217,643.72

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Solution

The fourth proportional to 2,250,158.53, 3,105,195.10 and 1,217,643.72 is: 1,680,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,158.53 : 3,105,195.10 = 1,217,643.72 : x
  2. Step 2: Convert to fraction form
    2,250,158.53/3,105,195.10 = 1,217,643.72/x
  3. Step 3: Cross multiply
    2,250,158.53x = 3,105,195.10 × 1,217,643.72
  4. Step 4: Simplify right side
    2,250,158.53x = 3,781,021,312,889.77
  5. Step 5: Solve for x
    x = 3,781,021,312,889.77/2,250,158.53
  6. Step 6: Final answer
    x = 1,680,335.52

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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.