Home / 5,134,541.70-7,086,142.90-2,842,702.39

Finding the Fourth Proportional to 5,134,541.70, 7,086,142.90 and 2,842,702.39

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Solution

The fourth proportional to 5,134,541.70, 7,086,142.90 and 2,842,702.39 is: 3,923,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,541.70 : 7,086,142.90 = 2,842,702.39 : x
  2. Step 2: Convert to fraction form
    5,134,541.70/7,086,142.90 = 2,842,702.39/x
  3. Step 3: Cross multiply
    5,134,541.70x = 7,086,142.90 × 2,842,702.39
  4. Step 4: Simplify right side
    5,134,541.70x = 20,143,795,354,132.39
  5. Step 5: Solve for x
    x = 20,143,795,354,132.39/5,134,541.70
  6. Step 6: Final answer
    x = 3,923,192.47

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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.