Home / 1,857,012.88-2,781,932.58-1,369,836.76

Finding the Fourth Proportional to 1,857,012.88, 2,781,932.58 and 1,369,836.76

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Solution

The fourth proportional to 1,857,012.88, 2,781,932.58 and 1,369,836.76 is: 2,052,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,012.88 : 2,781,932.58 = 1,369,836.76 : x
  2. Step 2: Convert to fraction form
    1,857,012.88/2,781,932.58 = 1,369,836.76/x
  3. Step 3: Cross multiply
    1,857,012.88x = 2,781,932.58 × 1,369,836.76
  4. Step 4: Simplify right side
    1,857,012.88x = 3,810,793,511,925.64
  5. Step 5: Solve for x
    x = 3,810,793,511,925.64/1,857,012.88
  6. Step 6: Final answer
    x = 2,052,109.36

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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.