Home / 2,131,345.20-2,941,221.96-1,164,454.68

Finding the Fourth Proportional to 2,131,345.20, 2,941,221.96 and 1,164,454.68

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Solution

The fourth proportional to 2,131,345.20, 2,941,221.96 and 1,164,454.68 is: 1,606,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,345.20 : 2,941,221.96 = 1,164,454.68 : x
  2. Step 2: Convert to fraction form
    2,131,345.20/2,941,221.96 = 1,164,454.68/x
  3. Step 3: Cross multiply
    2,131,345.20x = 2,941,221.96 × 1,164,454.68
  4. Step 4: Simplify right side
    2,131,345.20x = 3,424,919,676,240.77
  5. Step 5: Solve for x
    x = 3,424,919,676,240.77/2,131,345.20
  6. Step 6: Final answer
    x = 1,606,928.66

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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.