Home / 6,560,424.80-9,840,637.20-3,690,643.40

Finding the Fourth Proportional to 6,560,424.80, 9,840,637.20 and 3,690,643.40

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Solution

The fourth proportional to 6,560,424.80, 9,840,637.20 and 3,690,643.40 is: 5,535,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560,424.80 : 9,840,637.20 = 3,690,643.40 : x
  2. Step 2: Convert to fraction form
    6,560,424.80/9,840,637.20 = 3,690,643.40/x
  3. Step 3: Cross multiply
    6,560,424.80x = 9,840,637.20 × 3,690,643.40
  4. Step 4: Simplify right side
    6,560,424.80x = 36,318,282,733,974.48
  5. Step 5: Solve for x
    x = 36,318,282,733,974.48/6,560,424.80
  6. Step 6: Final answer
    x = 5,535,965.10

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Double scale
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Similar ratio
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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.