Home / 4,178,918.28-6,268,377.42-1,186,713.48

Finding the Fourth Proportional to 4,178,918.28, 6,268,377.42 and 1,186,713.48

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Solution

The fourth proportional to 4,178,918.28, 6,268,377.42 and 1,186,713.48 is: 1,780,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178,918.28 : 6,268,377.42 = 1,186,713.48 : x
  2. Step 2: Convert to fraction form
    4,178,918.28/6,268,377.42 = 1,186,713.48/x
  3. Step 3: Cross multiply
    4,178,918.28x = 6,268,377.42 × 1,186,713.48
  4. Step 4: Simplify right side
    4,178,918.28x = 7,438,767,982,041.62
  5. Step 5: Solve for x
    x = 7,438,767,982,041.62/4,178,918.28
  6. Step 6: Final answer
    x = 1,780,070.22

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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.