Home / 2,158,972.80-3,238,459.20-663,062.40

Finding the Fourth Proportional to 2,158,972.80, 3,238,459.20 and 663,062.40

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Solution

The fourth proportional to 2,158,972.80, 3,238,459.20 and 663,062.40 is: 994,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,972.80 : 3,238,459.20 = 663,062.40 : x
  2. Step 2: Convert to fraction form
    2,158,972.80/3,238,459.20 = 663,062.40/x
  3. Step 3: Cross multiply
    2,158,972.80x = 3,238,459.20 × 663,062.40
  4. Step 4: Simplify right side
    2,158,972.80x = 2,147,300,529,454.08
  5. Step 5: Solve for x
    x = 2,147,300,529,454.08/2,158,972.80
  6. Step 6: Final answer
    x = 994,593.60

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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.