Home / 2,765,151.60-4,147,727.40-1,421,458.80

Finding the Fourth Proportional to 2,765,151.60, 4,147,727.40 and 1,421,458.80

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Solution

The fourth proportional to 2,765,151.60, 4,147,727.40 and 1,421,458.80 is: 2,132,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,151.60 : 4,147,727.40 = 1,421,458.80 : x
  2. Step 2: Convert to fraction form
    2,765,151.60/4,147,727.40 = 1,421,458.80/x
  3. Step 3: Cross multiply
    2,765,151.60x = 4,147,727.40 × 1,421,458.80
  4. Step 4: Simplify right side
    2,765,151.60x = 5,895,823,612,731.12
  5. Step 5: Solve for x
    x = 5,895,823,612,731.12/2,765,151.60
  6. Step 6: Final answer
    x = 2,132,188.20

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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.