Home / 5,154,739.52-7,113,123.20-2,979,422.96

Finding the Fourth Proportional to 5,154,739.52, 7,113,123.20 and 2,979,422.96

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Solution

The fourth proportional to 5,154,739.52, 7,113,123.20 and 2,979,422.96 is: 4,111,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,739.52 : 7,113,123.20 = 2,979,422.96 : x
  2. Step 2: Convert to fraction form
    5,154,739.52/7,113,123.20 = 2,979,422.96/x
  3. Step 3: Cross multiply
    5,154,739.52x = 7,113,123.20 × 2,979,422.96
  4. Step 4: Simplify right side
    5,154,739.52x = 21,193,002,551,271.61
  5. Step 5: Solve for x
    x = 21,193,002,551,271.61/5,154,739.52
  6. Step 6: Final answer
    x = 4,111,362.46

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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.