Home / 5,432,839.90-8,149,259.85-1,645,830.70

Finding the Fourth Proportional to 5,432,839.90, 8,149,259.85 and 1,645,830.70

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Solution

The fourth proportional to 5,432,839.90, 8,149,259.85 and 1,645,830.70 is: 2,468,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,839.90 : 8,149,259.85 = 1,645,830.70 : x
  2. Step 2: Convert to fraction form
    5,432,839.90/8,149,259.85 = 1,645,830.70/x
  3. Step 3: Cross multiply
    5,432,839.90x = 8,149,259.85 × 1,645,830.70
  4. Step 4: Simplify right side
    5,432,839.90x = 13,412,302,043,407.39
  5. Step 5: Solve for x
    x = 13,412,302,043,407.39/5,432,839.90
  6. Step 6: Final answer
    x = 2,468,746.05

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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.