Home / 5,189,712.80-7,785,313.20-1,595,781.60

Finding the Fourth Proportional to 5,189,712.80, 7,785,313.20 and 1,595,781.60

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Solution

The fourth proportional to 5,189,712.80, 7,785,313.20 and 1,595,781.60 is: 2,393,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,712.80 : 7,785,313.20 = 1,595,781.60 : x
  2. Step 2: Convert to fraction form
    5,189,712.80/7,785,313.20 = 1,595,781.60/x
  3. Step 3: Cross multiply
    5,189,712.80x = 7,785,313.20 × 1,595,781.60
  4. Step 4: Simplify right side
    5,189,712.80x = 12,423,659,554,797.12
  5. Step 5: Solve for x
    x = 12,423,659,554,797.12/5,189,712.80
  6. Step 6: Final answer
    x = 2,393,901.17

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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.