Home / 2,165,796.94-2,988,835.13-1,185,719.56

Finding the Fourth Proportional to 2,165,796.94, 2,988,835.13 and 1,185,719.56

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Solution

The fourth proportional to 2,165,796.94, 2,988,835.13 and 1,185,719.56 is: 1,636,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,796.94 : 2,988,835.13 = 1,185,719.56 : x
  2. Step 2: Convert to fraction form
    2,165,796.94/2,988,835.13 = 1,185,719.56/x
  3. Step 3: Cross multiply
    2,165,796.94x = 2,988,835.13 × 1,185,719.56
  4. Step 4: Simplify right side
    2,165,796.94x = 3,543,920,275,350.91
  5. Step 5: Solve for x
    x = 3,543,920,275,350.91/2,165,796.94
  6. Step 6: Final answer
    x = 1,636,312.34

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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.