Home / 2,326,680.40-3,490,098.36-643,642.96

Finding the Fourth Proportional to 2,326,680.40, 3,490,098.36 and 643,642.96

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Solution

The fourth proportional to 2,326,680.40, 3,490,098.36 and 643,642.96 is: 965,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326,680.40 : 3,490,098.36 = 643,642.96 : x
  2. Step 2: Convert to fraction form
    2,326,680.40/3,490,098.36 = 643,642.96/x
  3. Step 3: Cross multiply
    2,326,680.40x = 3,490,098.36 × 643,642.96
  4. Step 4: Simplify right side
    2,326,680.40x = 2,246,377,239,121.55
  5. Step 5: Solve for x
    x = 2,246,377,239,121.55/2,326,680.40
  6. Step 6: Final answer
    x = 965,485.95

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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.