Home / 2,290,829.28-3,161,257.56-1,272,299.28

Finding the Fourth Proportional to 2,290,829.28, 3,161,257.56 and 1,272,299.28

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Solution

The fourth proportional to 2,290,829.28, 3,161,257.56 and 1,272,299.28 is: 1,755,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,829.28 : 3,161,257.56 = 1,272,299.28 : x
  2. Step 2: Convert to fraction form
    2,290,829.28/3,161,257.56 = 1,272,299.28/x
  3. Step 3: Cross multiply
    2,290,829.28x = 3,161,257.56 × 1,272,299.28
  4. Step 4: Simplify right side
    2,290,829.28x = 4,022,065,717,482.56
  5. Step 5: Solve for x
    x = 4,022,065,717,482.56/2,290,829.28
  6. Step 6: Final answer
    x = 1,755,724.77

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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.