Home / 5,432,864.40-8,149,296.60-1,645,855.20

Finding the Fourth Proportional to 5,432,864.40, 8,149,296.60 and 1,645,855.20

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Solution

The fourth proportional to 5,432,864.40, 8,149,296.60 and 1,645,855.20 is: 2,468,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,864.40 : 8,149,296.60 = 1,645,855.20 : x
  2. Step 2: Convert to fraction form
    5,432,864.40/8,149,296.60 = 1,645,855.20/x
  3. Step 3: Cross multiply
    5,432,864.40x = 8,149,296.60 × 1,645,855.20
  4. Step 4: Simplify right side
    5,432,864.40x = 13,412,562,185,452.32
  5. Step 5: Solve for x
    x = 13,412,562,185,452.32/5,432,864.40
  6. Step 6: Final answer
    x = 2,468,782.80

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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.