Home / 2,832,668.20-3,909,031.54-1,543,519.72

Finding the Fourth Proportional to 2,832,668.20, 3,909,031.54 and 1,543,519.72

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Solution

The fourth proportional to 2,832,668.20, 3,909,031.54 and 1,543,519.72 is: 2,130,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832,668.20 : 3,909,031.54 = 1,543,519.72 : x
  2. Step 2: Convert to fraction form
    2,832,668.20/3,909,031.54 = 1,543,519.72/x
  3. Step 3: Cross multiply
    2,832,668.20x = 3,909,031.54 × 1,543,519.72
  4. Step 4: Simplify right side
    2,832,668.20x = 6,033,667,268,091.97
  5. Step 5: Solve for x
    x = 6,033,667,268,091.97/2,832,668.20
  6. Step 6: Final answer
    x = 2,130,029.65

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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.