Home / 3,120,658.50-4,681,500.07-961,683.97

Finding the Fourth Proportional to 3,120,658.50, 4,681,500.07 and 961,683.97

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Solution

The fourth proportional to 3,120,658.50, 4,681,500.07 and 961,683.97 is: 1,442,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,658.50 : 4,681,500.07 = 961,683.97 : x
  2. Step 2: Convert to fraction form
    3,120,658.50/4,681,500.07 = 961,683.97/x
  3. Step 3: Cross multiply
    3,120,658.50x = 4,681,500.07 × 961,683.97
  4. Step 4: Simplify right side
    3,120,658.50x = 4,502,123,572,872.88
  5. Step 5: Solve for x
    x = 4,502,123,572,872.88/3,120,658.50
  6. Step 6: Final answer
    x = 1,442,683.84

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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.