Home / 3,123,080.80-4,695,118.80-2,661,186.40

Finding the Fourth Proportional to 3,123,080.80, 4,695,118.80 and 2,661,186.40

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Solution

The fourth proportional to 3,123,080.80, 4,695,118.80 and 2,661,186.40 is: 4,000,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,080.80 : 4,695,118.80 = 2,661,186.40 : x
  2. Step 2: Convert to fraction form
    3,123,080.80/4,695,118.80 = 2,661,186.40/x
  3. Step 3: Cross multiply
    3,123,080.80x = 4,695,118.80 × 2,661,186.40
  4. Step 4: Simplify right side
    3,123,080.80x = 12,494,586,296,944.32
  5. Step 5: Solve for x
    x = 12,494,586,296,944.32/3,123,080.80
  6. Step 6: Final answer
    x = 4,000,724.64

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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.