Home / 2,521,751.20-3,782,972.40-838,679.20

Finding the Fourth Proportional to 2,521,751.20, 3,782,972.40 and 838,679.20

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Solution

The fourth proportional to 2,521,751.20, 3,782,972.40 and 838,679.20 is: 1,258,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,751.20 : 3,782,972.40 = 838,679.20 : x
  2. Step 2: Convert to fraction form
    2,521,751.20/3,782,972.40 = 838,679.20/x
  3. Step 3: Cross multiply
    2,521,751.20x = 3,782,972.40 × 838,679.20
  4. Step 4: Simplify right side
    2,521,751.20x = 3,172,700,266,054.08
  5. Step 5: Solve for x
    x = 3,172,700,266,054.08/2,521,751.20
  6. Step 6: Final answer
    x = 1,258,133.74

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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.