Home / 7,179,528-10,769,385.78-2,387,217.27

Finding the Fourth Proportional to 7,179,528, 10,769,385.78 and 2,387,217.27

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Solution

The fourth proportional to 7,179,528, 10,769,385.78 and 2,387,217.27 is: 3,580,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,528 : 10,769,385.78 = 2,387,217.27 : x
  2. Step 2: Convert to fraction form
    7,179,528/10,769,385.78 = 2,387,217.27/x
  3. Step 3: Cross multiply
    7,179,528x = 10,769,385.78 × 2,387,217.27
  4. Step 4: Simplify right side
    7,179,528x = 25,708,863,721,308.42
  5. Step 5: Solve for x
    x = 25,708,863,721,308.42/7,179,528
  6. Step 6: Final answer
    x = 3,580,857.09

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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.