Home / 2,912,245.40-4,367,331.30-1,315,573.40

Finding the Fourth Proportional to 2,912,245.40, 4,367,331.30 and 1,315,573.40

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Solution

The fourth proportional to 2,912,245.40, 4,367,331.30 and 1,315,573.40 is: 1,972,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,245.40 : 4,367,331.30 = 1,315,573.40 : x
  2. Step 2: Convert to fraction form
    2,912,245.40/4,367,331.30 = 1,315,573.40/x
  3. Step 3: Cross multiply
    2,912,245.40x = 4,367,331.30 × 1,315,573.40
  4. Step 4: Simplify right side
    2,912,245.40x = 5,745,544,887,267.42
  5. Step 5: Solve for x
    x = 5,745,544,887,267.42/2,912,245.40
  6. Step 6: Final answer
    x = 1,972,891.74

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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.