Home / 1,606,691.70-2,217,234.36-918,378.27

Finding the Fourth Proportional to 1,606,691.70, 2,217,234.36 and 918,378.27

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Solution

The fourth proportional to 1,606,691.70, 2,217,234.36 and 918,378.27 is: 1,267,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,691.70 : 2,217,234.36 = 918,378.27 : x
  2. Step 2: Convert to fraction form
    1,606,691.70/2,217,234.36 = 918,378.27/x
  3. Step 3: Cross multiply
    1,606,691.70x = 2,217,234.36 × 918,378.27
  4. Step 4: Simplify right side
    1,606,691.70x = 2,036,259,859,165.28
  5. Step 5: Solve for x
    x = 2,036,259,859,165.28/1,606,691.70
  6. Step 6: Final answer
    x = 1,267,361.91

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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.