Home / 5,015,419.16-6,921,305.01-2,840,385.69

Finding the Fourth Proportional to 5,015,419.16, 6,921,305.01 and 2,840,385.69

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Solution

The fourth proportional to 5,015,419.16, 6,921,305.01 and 2,840,385.69 is: 3,919,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015,419.16 : 6,921,305.01 = 2,840,385.69 : x
  2. Step 2: Convert to fraction form
    5,015,419.16/6,921,305.01 = 2,840,385.69/x
  3. Step 3: Cross multiply
    5,015,419.16x = 6,921,305.01 × 2,840,385.69
  4. Step 4: Simplify right side
    5,015,419.16x = 19,659,175,706,529.30
  5. Step 5: Solve for x
    x = 19,659,175,706,529.30/5,015,419.16
  6. Step 6: Final answer
    x = 3,919,747.30

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1.5x scale

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.