Home / 5,168,082.49-7,131,953.85-2,876,784.46

Finding the Fourth Proportional to 5,168,082.49, 7,131,953.85 and 2,876,784.46

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Solution

The fourth proportional to 5,168,082.49, 7,131,953.85 and 2,876,784.46 is: 3,969,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,082.49 : 7,131,953.85 = 2,876,784.46 : x
  2. Step 2: Convert to fraction form
    5,168,082.49/7,131,953.85 = 2,876,784.46/x
  3. Step 3: Cross multiply
    5,168,082.49x = 7,131,953.85 × 2,876,784.46
  4. Step 4: Simplify right side
    5,168,082.49x = 20,517,094,005,117.17
  5. Step 5: Solve for x
    x = 20,517,094,005,117.17/5,168,082.49
  6. Step 6: Final answer
    x = 3,969,962.56

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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.