Home / 3,127,139.56-4,318,145.94-1,967,519.26

Finding the Fourth Proportional to 3,127,139.56, 4,318,145.94 and 1,967,519.26

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Solution

The fourth proportional to 3,127,139.56, 4,318,145.94 and 1,967,519.26 is: 2,716,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,139.56 : 4,318,145.94 = 1,967,519.26 : x
  2. Step 2: Convert to fraction form
    3,127,139.56/4,318,145.94 = 1,967,519.26/x
  3. Step 3: Cross multiply
    3,127,139.56x = 4,318,145.94 × 1,967,519.26
  4. Step 4: Simplify right side
    3,127,139.56x = 8,496,035,304,440.81
  5. Step 5: Solve for x
    x = 8,496,035,304,440.81/3,127,139.56
  6. Step 6: Final answer
    x = 2,716,871.17

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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.