Home / 2,155,758.40-3,234,098.40-660,001.60

Finding the Fourth Proportional to 2,155,758.40, 3,234,098.40 and 660,001.60

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Solution

The fourth proportional to 2,155,758.40, 3,234,098.40 and 660,001.60 is: 990,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,758.40 : 3,234,098.40 = 660,001.60 : x
  2. Step 2: Convert to fraction form
    2,155,758.40/3,234,098.40 = 660,001.60/x
  3. Step 3: Cross multiply
    2,155,758.40x = 3,234,098.40 × 660,001.60
  4. Step 4: Simplify right side
    2,155,758.40x = 2,134,510,118,557.44
  5. Step 5: Solve for x
    x = 2,134,510,118,557.44/2,155,758.40
  6. Step 6: Final answer
    x = 990,143.48

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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.