Home / 2,113,866.88-2,917,098.66-1,286,641.36

Finding the Fourth Proportional to 2,113,866.88, 2,917,098.66 and 1,286,641.36

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Solution

The fourth proportional to 2,113,866.88, 2,917,098.66 and 1,286,641.36 is: 1,775,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,866.88 : 2,917,098.66 = 1,286,641.36 : x
  2. Step 2: Convert to fraction form
    2,113,866.88/2,917,098.66 = 1,286,641.36/x
  3. Step 3: Cross multiply
    2,113,866.88x = 2,917,098.66 × 1,286,641.36
  4. Step 4: Simplify right side
    2,113,866.88x = 3,753,259,787,156.58
  5. Step 5: Solve for x
    x = 3,753,259,787,156.58/2,113,866.88
  6. Step 6: Final answer
    x = 1,775,542.17

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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.