Home / 2,872,917.29-3,964,637.87-1,583,729.39

Finding the Fourth Proportional to 2,872,917.29, 3,964,637.87 and 1,583,729.39

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Solution

The fourth proportional to 2,872,917.29, 3,964,637.87 and 1,583,729.39 is: 2,185,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,917.29 : 3,964,637.87 = 1,583,729.39 : x
  2. Step 2: Convert to fraction form
    2,872,917.29/3,964,637.87 = 1,583,729.39/x
  3. Step 3: Cross multiply
    2,872,917.29x = 3,964,637.87 × 1,583,729.39
  4. Step 4: Simplify right side
    2,872,917.29x = 6,278,913,487,684.16
  5. Step 5: Solve for x
    x = 6,278,913,487,684.16/2,872,917.29
  6. Step 6: Final answer
    x = 2,185,553.17

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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.