Home / 1,851,856.11-2,778,115.86-654,473.61

Finding the Fourth Proportional to 1,851,856.11, 2,778,115.86 and 654,473.61

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Solution

The fourth proportional to 1,851,856.11, 2,778,115.86 and 654,473.61 is: 981,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,856.11 : 2,778,115.86 = 654,473.61 : x
  2. Step 2: Convert to fraction form
    1,851,856.11/2,778,115.86 = 654,473.61/x
  3. Step 3: Cross multiply
    1,851,856.11x = 2,778,115.86 × 654,473.61
  4. Step 4: Simplify right side
    1,851,856.11x = 1,818,203,515,892.45
  5. Step 5: Solve for x
    x = 1,818,203,515,892.45/1,851,856.11
  6. Step 6: Final answer
    x = 981,827.64

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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.