Home / 1,608,005.10-2,218,414.12-919,306.93

Finding the Fourth Proportional to 1,608,005.10, 2,218,414.12 and 919,306.93

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Solution

The fourth proportional to 1,608,005.10, 2,218,414.12 and 919,306.93 is: 1,268,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,005.10 : 2,218,414.12 = 919,306.93 : x
  2. Step 2: Convert to fraction form
    1,608,005.10/2,218,414.12 = 919,306.93/x
  3. Step 3: Cross multiply
    1,608,005.10x = 2,218,414.12 × 919,306.93
  4. Step 4: Simplify right side
    1,608,005.10x = 2,039,403,474,125.85
  5. Step 5: Solve for x
    x = 2,039,403,474,125.85/1,608,005.10
  6. Step 6: Final answer
    x = 1,268,281.72

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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.