Home / 2,251,665.54-3,107,275.02-1,219,155.48

Finding the Fourth Proportional to 2,251,665.54, 3,107,275.02 and 1,219,155.48

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Solution

The fourth proportional to 2,251,665.54, 3,107,275.02 and 1,219,155.48 is: 1,682,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,665.54 : 3,107,275.02 = 1,219,155.48 : x
  2. Step 2: Convert to fraction form
    2,251,665.54/3,107,275.02 = 1,219,155.48/x
  3. Step 3: Cross multiply
    2,251,665.54x = 3,107,275.02 × 1,219,155.48
  4. Step 4: Simplify right side
    2,251,665.54x = 3,788,251,368,500.11
  5. Step 5: Solve for x
    x = 3,788,251,368,500.11/2,251,665.54
  6. Step 6: Final answer
    x = 1,682,421.88

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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.