Home / 1,839,987.15-2,759,979.90-492,114.75

Finding the Fourth Proportional to 1,839,987.15, 2,759,979.90 and 492,114.75

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Solution

The fourth proportional to 1,839,987.15, 2,759,979.90 and 492,114.75 is: 738,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,987.15 : 2,759,979.90 = 492,114.75 : x
  2. Step 2: Convert to fraction form
    1,839,987.15/2,759,979.90 = 492,114.75/x
  3. Step 3: Cross multiply
    1,839,987.15x = 2,759,979.90 × 492,114.75
  4. Step 4: Simplify right side
    1,839,987.15x = 1,358,226,818,493.52
  5. Step 5: Solve for x
    x = 1,358,226,818,493.52/1,839,987.15
  6. Step 6: Final answer
    x = 738,171.90

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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.