Home / 2,142,508.25-3,211,502.87-702,815.71

Finding the Fourth Proportional to 2,142,508.25, 3,211,502.87 and 702,815.71

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Solution

The fourth proportional to 2,142,508.25, 3,211,502.87 and 702,815.71 is: 1,053,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,508.25 : 3,211,502.87 = 702,815.71 : x
  2. Step 2: Convert to fraction form
    2,142,508.25/3,211,502.87 = 702,815.71/x
  3. Step 3: Cross multiply
    2,142,508.25x = 3,211,502.87 × 702,815.71
  4. Step 4: Simplify right side
    2,142,508.25x = 2,257,094,663,474.37
  5. Step 5: Solve for x
    x = 2,257,094,663,474.37/2,142,508.25
  6. Step 6: Final answer
    x = 1,053,482.37

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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.