Home / 1,527,949.42-2,108,586.98-839,621.46

Finding the Fourth Proportional to 1,527,949.42, 2,108,586.98 and 839,621.46

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Solution

The fourth proportional to 1,527,949.42, 2,108,586.98 and 839,621.46 is: 1,158,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,949.42 : 2,108,586.98 = 839,621.46 : x
  2. Step 2: Convert to fraction form
    1,527,949.42/2,108,586.98 = 839,621.46/x
  3. Step 3: Cross multiply
    1,527,949.42x = 2,108,586.98 × 839,621.46
  4. Step 4: Simplify right side
    1,527,949.42x = 1,770,414,872,108.44
  5. Step 5: Solve for x
    x = 1,770,414,872,108.44/1,527,949.42
  6. Step 6: Final answer
    x = 1,158,686.83

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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.