Home / 2,165,641.45-3,247,340.79-1,154,491.81

Finding the Fourth Proportional to 2,165,641.45, 3,247,340.79 and 1,154,491.81

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Solution

The fourth proportional to 2,165,641.45, 3,247,340.79 and 1,154,491.81 is: 1,731,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,641.45 : 3,247,340.79 = 1,154,491.81 : x
  2. Step 2: Convert to fraction form
    2,165,641.45/3,247,340.79 = 1,154,491.81/x
  3. Step 3: Cross multiply
    2,165,641.45x = 3,247,340.79 × 1,154,491.81
  4. Step 4: Simplify right side
    2,165,641.45x = 3,749,028,346,333.93
  5. Step 5: Solve for x
    x = 3,749,028,346,333.93/2,165,641.45
  6. Step 6: Final answer
    x = 1,731,139.91

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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.