Home / 5,432,035.90-8,148,053.85-1,645,518.78

Finding the Fourth Proportional to 5,432,035.90, 8,148,053.85 and 1,645,518.78

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Solution

The fourth proportional to 5,432,035.90, 8,148,053.85 and 1,645,518.78 is: 2,468,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,035.90 : 8,148,053.85 = 1,645,518.78 : x
  2. Step 2: Convert to fraction form
    5,432,035.90/8,148,053.85 = 1,645,518.78/x
  3. Step 3: Cross multiply
    5,432,035.90x = 8,148,053.85 × 1,645,518.78
  4. Step 4: Simplify right side
    5,432,035.90x = 13,407,775,589,886.03
  5. Step 5: Solve for x
    x = 13,407,775,589,886.03/5,432,035.90
  6. Step 6: Final answer
    x = 2,468,278.16

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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.