Home / 5,215,087.80-7,822,631.70-3,419,014.05

Finding the Fourth Proportional to 5,215,087.80, 7,822,631.70 and 3,419,014.05

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Solution

The fourth proportional to 5,215,087.80, 7,822,631.70 and 3,419,014.05 is: 5,128,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,087.80 : 7,822,631.70 = 3,419,014.05 : x
  2. Step 2: Convert to fraction form
    5,215,087.80/7,822,631.70 = 3,419,014.05/x
  3. Step 3: Cross multiply
    5,215,087.80x = 7,822,631.70 × 3,419,014.05
  4. Step 4: Simplify right side
    5,215,087.80x = 26,745,687,690,275.38
  5. Step 5: Solve for x
    x = 26,745,687,690,275.38/5,215,087.80
  6. Step 6: Final answer
    x = 5,128,521.08

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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.