Home / 2,148,781.20-3,224,662.20-1,617,421.20

Finding the Fourth Proportional to 2,148,781.20, 3,224,662.20 and 1,617,421.20

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Solution

The fourth proportional to 2,148,781.20, 3,224,662.20 and 1,617,421.20 is: 2,427,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,781.20 : 3,224,662.20 = 1,617,421.20 : x
  2. Step 2: Convert to fraction form
    2,148,781.20/3,224,662.20 = 1,617,421.20/x
  3. Step 3: Cross multiply
    2,148,781.20x = 3,224,662.20 × 1,617,421.20
  4. Step 4: Simplify right side
    2,148,781.20x = 5,215,637,005,118.64
  5. Step 5: Solve for x
    x = 5,215,637,005,118.64/2,148,781.20
  6. Step 6: Final answer
    x = 2,427,253.65

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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.