Home / 1,863,211.06-2,795,407.36-665,107.66

Finding the Fourth Proportional to 1,863,211.06, 2,795,407.36 and 665,107.66

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Solution

The fourth proportional to 1,863,211.06, 2,795,407.36 and 665,107.66 is: 997,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,211.06 : 2,795,407.36 = 665,107.66 : x
  2. Step 2: Convert to fraction form
    1,863,211.06/2,795,407.36 = 665,107.66/x
  3. Step 3: Cross multiply
    1,863,211.06x = 2,795,407.36 × 665,107.66
  4. Step 4: Simplify right side
    1,863,211.06x = 1,859,246,847,956.38
  5. Step 5: Solve for x
    x = 1,859,246,847,956.38/1,863,211.06
  6. Step 6: Final answer
    x = 997,872.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.