Home / 5,103,315.20-7,654,972.80-4,146,721.40

Finding the Fourth Proportional to 5,103,315.20, 7,654,972.80 and 4,146,721.40

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Solution

The fourth proportional to 5,103,315.20, 7,654,972.80 and 4,146,721.40 is: 6,220,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,315.20 : 7,654,972.80 = 4,146,721.40 : x
  2. Step 2: Convert to fraction form
    5,103,315.20/7,654,972.80 = 4,146,721.40/x
  3. Step 3: Cross multiply
    5,103,315.20x = 7,654,972.80 × 4,146,721.40
  4. Step 4: Simplify right side
    5,103,315.20x = 31,743,039,526,177.92
  5. Step 5: Solve for x
    x = 31,743,039,526,177.92/5,103,315.20
  6. Step 6: Final answer
    x = 6,220,082.10

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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.