Home / 5,416,659.70-8,128,139.10-2,224,077.10

Finding the Fourth Proportional to 5,416,659.70, 8,128,139.10 and 2,224,077.10

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Solution

The fourth proportional to 5,416,659.70, 8,128,139.10 and 2,224,077.10 is: 3,337,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416,659.70 : 8,128,139.10 = 2,224,077.10 : x
  2. Step 2: Convert to fraction form
    5,416,659.70/8,128,139.10 = 2,224,077.10/x
  3. Step 3: Cross multiply
    5,416,659.70x = 8,128,139.10 × 2,224,077.10
  4. Step 4: Simplify right side
    5,416,659.70x = 18,077,608,037,924.61
  5. Step 5: Solve for x
    x = 18,077,608,037,924.61/5,416,659.70
  6. Step 6: Final answer
    x = 3,337,408.85

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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.