Home / 5,182,974.26-7,152,516-2,891,283.38

Finding the Fourth Proportional to 5,182,974.26, 7,152,516 and 2,891,283.38

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Solution

The fourth proportional to 5,182,974.26, 7,152,516 and 2,891,283.38 is: 3,989,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,974.26 : 7,152,516 = 2,891,283.38 : x
  2. Step 2: Convert to fraction form
    5,182,974.26/7,152,516 = 2,891,283.38/x
  3. Step 3: Cross multiply
    5,182,974.26x = 7,152,516 × 2,891,283.38
  4. Step 4: Simplify right side
    5,182,974.26x = 20,679,950,635,984.08
  5. Step 5: Solve for x
    x = 20,679,950,635,984.08/5,182,974.26
  6. Step 6: Final answer
    x = 3,989,977.49

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1.5x scale

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.