Home / 2,801,658.60-4,202,487.90-779,898.60

Finding the Fourth Proportional to 2,801,658.60, 4,202,487.90 and 779,898.60

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Solution

The fourth proportional to 2,801,658.60, 4,202,487.90 and 779,898.60 is: 1,169,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,658.60 : 4,202,487.90 = 779,898.60 : x
  2. Step 2: Convert to fraction form
    2,801,658.60/4,202,487.90 = 779,898.60/x
  3. Step 3: Cross multiply
    2,801,658.60x = 4,202,487.90 × 779,898.60
  4. Step 4: Simplify right side
    2,801,658.60x = 3,277,514,429,726.94
  5. Step 5: Solve for x
    x = 3,277,514,429,726.94/2,801,658.60
  6. Step 6: Final answer
    x = 1,169,847.90

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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.