Home / 2,318,983.20-3,478,474.80-991,879.20

Finding the Fourth Proportional to 2,318,983.20, 3,478,474.80 and 991,879.20

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Solution

The fourth proportional to 2,318,983.20, 3,478,474.80 and 991,879.20 is: 1,487,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,983.20 : 3,478,474.80 = 991,879.20 : x
  2. Step 2: Convert to fraction form
    2,318,983.20/3,478,474.80 = 991,879.20/x
  3. Step 3: Cross multiply
    2,318,983.20x = 3,478,474.80 × 991,879.20
  4. Step 4: Simplify right side
    2,318,983.20x = 3,450,226,801,844.16
  5. Step 5: Solve for x
    x = 3,450,226,801,844.16/2,318,983.20
  6. Step 6: Final answer
    x = 1,487,818.80

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1.5x scale

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.