Home / 2,947,455.88-4,421,183.45-817,540.02

Finding the Fourth Proportional to 2,947,455.88, 4,421,183.45 and 817,540.02

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Solution

The fourth proportional to 2,947,455.88, 4,421,183.45 and 817,540.02 is: 1,226,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,455.88 : 4,421,183.45 = 817,540.02 : x
  2. Step 2: Convert to fraction form
    2,947,455.88/4,421,183.45 = 817,540.02/x
  3. Step 3: Cross multiply
    2,947,455.88x = 4,421,183.45 × 817,540.02
  4. Step 4: Simplify right side
    2,947,455.88x = 3,614,494,402,048.97
  5. Step 5: Solve for x
    x = 3,614,494,402,048.97/2,947,455.88
  6. Step 6: Final answer
    x = 1,226,309.93

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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.