Home / 3,358,579.20-5,036,429.28-1,561,275.12

Finding the Fourth Proportional to 3,358,579.20, 5,036,429.28 and 1,561,275.12

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Solution

The fourth proportional to 3,358,579.20, 5,036,429.28 and 1,561,275.12 is: 2,341,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358,579.20 : 5,036,429.28 = 1,561,275.12 : x
  2. Step 2: Convert to fraction form
    3,358,579.20/5,036,429.28 = 1,561,275.12/x
  3. Step 3: Cross multiply
    3,358,579.20x = 5,036,429.28 × 1,561,275.12
  4. Step 4: Simplify right side
    3,358,579.20x = 7,863,251,728,503.52
  5. Step 5: Solve for x
    x = 7,863,251,728,503.52/3,358,579.20
  6. Step 6: Final answer
    x = 2,341,243.50

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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.