Home / 3,145,688.80-4,711,534.80-2,585,816.80

Finding the Fourth Proportional to 3,145,688.80, 4,711,534.80 and 2,585,816.80

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Solution

The fourth proportional to 3,145,688.80, 4,711,534.80 and 2,585,816.80 is: 3,872,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,688.80 : 4,711,534.80 = 2,585,816.80 : x
  2. Step 2: Convert to fraction form
    3,145,688.80/4,711,534.80 = 2,585,816.80/x
  3. Step 3: Cross multiply
    3,145,688.80x = 4,711,534.80 × 2,585,816.80
  4. Step 4: Simplify right side
    3,145,688.80x = 12,183,165,839,624.64
  5. Step 5: Solve for x
    x = 12,183,165,839,624.64/3,145,688.80
  6. Step 6: Final answer
    x = 3,872,972.38

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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.