Home / 2,912,248.90-4,367,336.55-1,315,576.90

Finding the Fourth Proportional to 2,912,248.90, 4,367,336.55 and 1,315,576.90

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Solution

The fourth proportional to 2,912,248.90, 4,367,336.55 and 1,315,576.90 is: 1,972,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,248.90 : 4,367,336.55 = 1,315,576.90 : x
  2. Step 2: Convert to fraction form
    2,912,248.90/4,367,336.55 = 1,315,576.90/x
  3. Step 3: Cross multiply
    2,912,248.90x = 4,367,336.55 × 1,315,576.90
  4. Step 4: Simplify right side
    2,912,248.90x = 5,745,567,079,705.69
  5. Step 5: Solve for x
    x = 5,745,567,079,705.69/2,912,248.90
  6. Step 6: Final answer
    x = 1,972,896.99

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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.