Home / 3,659,970.75-5,490,321.06-1,355,079.15

Finding the Fourth Proportional to 3,659,970.75, 5,490,321.06 and 1,355,079.15

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Solution

The fourth proportional to 3,659,970.75, 5,490,321.06 and 1,355,079.15 is: 2,032,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659,970.75 : 5,490,321.06 = 1,355,079.15 : x
  2. Step 2: Convert to fraction form
    3,659,970.75/5,490,321.06 = 1,355,079.15/x
  3. Step 3: Cross multiply
    3,659,970.75x = 5,490,321.06 × 1,355,079.15
  4. Step 4: Simplify right side
    3,659,970.75x = 7,439,819,595,211.90
  5. Step 5: Solve for x
    x = 7,439,819,595,211.90/3,659,970.75
  6. Step 6: Final answer
    x = 2,032,753.84

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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.