Home / 3,608,722.50-4,980,037.05-2,158,479.06

Finding the Fourth Proportional to 3,608,722.50, 4,980,037.05 and 2,158,479.06

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Solution

The fourth proportional to 3,608,722.50, 4,980,037.05 and 2,158,479.06 is: 2,978,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,722.50 : 4,980,037.05 = 2,158,479.06 : x
  2. Step 2: Convert to fraction form
    3,608,722.50/4,980,037.05 = 2,158,479.06/x
  3. Step 3: Cross multiply
    3,608,722.50x = 4,980,037.05 × 2,158,479.06
  4. Step 4: Simplify right side
    3,608,722.50x = 10,749,305,690,449.17
  5. Step 5: Solve for x
    x = 10,749,305,690,449.17/3,608,722.50
  6. Step 6: Final answer
    x = 2,978,701.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.