Home / 2,143,046.61-2,957,585.76-1,176,340.62

Finding the Fourth Proportional to 2,143,046.61, 2,957,585.76 and 1,176,340.62

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Solution

The fourth proportional to 2,143,046.61, 2,957,585.76 and 1,176,340.62 is: 1,623,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,046.61 : 2,957,585.76 = 1,176,340.62 : x
  2. Step 2: Convert to fraction form
    2,143,046.61/2,957,585.76 = 1,176,340.62/x
  3. Step 3: Cross multiply
    2,143,046.61x = 2,957,585.76 × 1,176,340.62
  4. Step 4: Simplify right side
    2,143,046.61x = 3,479,128,266,621.57
  5. Step 5: Solve for x
    x = 3,479,128,266,621.57/2,143,046.61
  6. Step 6: Final answer
    x = 1,623,449.65

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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.