Home / 2,007,851.70-3,011,777.55-678,155.70

Finding the Fourth Proportional to 2,007,851.70, 3,011,777.55 and 678,155.70

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Solution

The fourth proportional to 2,007,851.70, 3,011,777.55 and 678,155.70 is: 1,017,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,851.70 : 3,011,777.55 = 678,155.70 : x
  2. Step 2: Convert to fraction form
    2,007,851.70/3,011,777.55 = 678,155.70/x
  3. Step 3: Cross multiply
    2,007,851.70x = 3,011,777.55 × 678,155.70
  4. Step 4: Simplify right side
    2,007,851.70x = 2,042,454,112,664.53
  5. Step 5: Solve for x
    x = 2,042,454,112,664.53/2,007,851.70
  6. Step 6: Final answer
    x = 1,017,233.55

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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.