Home / 5,186,820.10-7,780,230.15-2,635,903.30

Finding the Fourth Proportional to 5,186,820.10, 7,780,230.15 and 2,635,903.30

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Solution

The fourth proportional to 5,186,820.10, 7,780,230.15 and 2,635,903.30 is: 3,953,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,820.10 : 7,780,230.15 = 2,635,903.30 : x
  2. Step 2: Convert to fraction form
    5,186,820.10/7,780,230.15 = 2,635,903.30/x
  3. Step 3: Cross multiply
    5,186,820.10x = 7,780,230.15 × 2,635,903.30
  4. Step 4: Simplify right side
    5,186,820.10x = 20,507,934,327,144.50
  5. Step 5: Solve for x
    x = 20,507,934,327,144.50/5,186,820.10
  6. Step 6: Final answer
    x = 3,953,854.95

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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.