Home / 5,455,387.20-8,182,784.08-1,668,870.04

Finding the Fourth Proportional to 5,455,387.20, 8,182,784.08 and 1,668,870.04

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Solution

The fourth proportional to 5,455,387.20, 8,182,784.08 and 1,668,870.04 is: 2,503,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,387.20 : 8,182,784.08 = 1,668,870.04 : x
  2. Step 2: Convert to fraction form
    5,455,387.20/8,182,784.08 = 1,668,870.04/x
  3. Step 3: Cross multiply
    5,455,387.20x = 8,182,784.08 × 1,668,870.04
  4. Step 4: Simplify right side
    5,455,387.20x = 13,656,003,194,900.96
  5. Step 5: Solve for x
    x = 13,656,003,194,900.96/5,455,387.20
  6. Step 6: Final answer
    x = 2,503,214.29

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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.