Home / 3,997,948.12-5,517,298.80-2,187,112.12

Finding the Fourth Proportional to 3,997,948.12, 5,517,298.80 and 2,187,112.12

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Solution

The fourth proportional to 3,997,948.12, 5,517,298.80 and 2,187,112.12 is: 3,018,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,948.12 : 5,517,298.80 = 2,187,112.12 : x
  2. Step 2: Convert to fraction form
    3,997,948.12/5,517,298.80 = 2,187,112.12/x
  3. Step 3: Cross multiply
    3,997,948.12x = 5,517,298.80 × 2,187,112.12
  4. Step 4: Simplify right side
    3,997,948.12x = 12,066,951,075,141.46
  5. Step 5: Solve for x
    x = 12,066,951,075,141.46/3,997,948.12
  6. Step 6: Final answer
    x = 3,018,286.06

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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.