Home / 1,977,586.32-2,728,067.46-1,251,210.72

Finding the Fourth Proportional to 1,977,586.32, 2,728,067.46 and 1,251,210.72

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Solution

The fourth proportional to 1,977,586.32, 2,728,067.46 and 1,251,210.72 is: 1,726,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,586.32 : 2,728,067.46 = 1,251,210.72 : x
  2. Step 2: Convert to fraction form
    1,977,586.32/2,728,067.46 = 1,251,210.72/x
  3. Step 3: Cross multiply
    1,977,586.32x = 2,728,067.46 × 1,251,210.72
  4. Step 4: Simplify right side
    1,977,586.32x = 3,413,387,250,835.17
  5. Step 5: Solve for x
    x = 3,413,387,250,835.17/1,977,586.32
  6. Step 6: Final answer
    x = 1,726,037.05

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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.