Home / 5,272,105.71-7,899,131.93-2,877,631.23

Finding the Fourth Proportional to 5,272,105.71, 7,899,131.93 and 2,877,631.23

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Solution

The fourth proportional to 5,272,105.71, 7,899,131.93 and 2,877,631.23 is: 4,311,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272,105.71 : 7,899,131.93 = 2,877,631.23 : x
  2. Step 2: Convert to fraction form
    5,272,105.71/7,899,131.93 = 2,877,631.23/x
  3. Step 3: Cross multiply
    5,272,105.71x = 7,899,131.93 × 2,877,631.23
  4. Step 4: Simplify right side
    5,272,105.71x = 22,730,788,717,270.02
  5. Step 5: Solve for x
    x = 22,730,788,717,270.02/5,272,105.71
  6. Step 6: Final answer
    x = 4,311,519.91

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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.