Home / 5,435,212.50-7,500,688.02-2,987,926.70

Finding the Fourth Proportional to 5,435,212.50, 7,500,688.02 and 2,987,926.70

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Solution

The fourth proportional to 5,435,212.50, 7,500,688.02 and 2,987,926.70 is: 4,123,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435,212.50 : 7,500,688.02 = 2,987,926.70 : x
  2. Step 2: Convert to fraction form
    5,435,212.50/7,500,688.02 = 2,987,926.70/x
  3. Step 3: Cross multiply
    5,435,212.50x = 7,500,688.02 × 2,987,926.70
  4. Step 4: Simplify right side
    5,435,212.50x = 22,411,505,965,824.69
  5. Step 5: Solve for x
    x = 22,411,505,965,824.69/5,435,212.50
  6. Step 6: Final answer
    x = 4,123,390.94

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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.