Home / 4,917,789.40-7,382,213.70-3,800,810.20

Finding the Fourth Proportional to 4,917,789.40, 7,382,213.70 and 3,800,810.20

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Solution

The fourth proportional to 4,917,789.40, 7,382,213.70 and 3,800,810.20 is: 5,705,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917,789.40 : 7,382,213.70 = 3,800,810.20 : x
  2. Step 2: Convert to fraction form
    4,917,789.40/7,382,213.70 = 3,800,810.20/x
  3. Step 3: Cross multiply
    4,917,789.40x = 7,382,213.70 × 3,800,810.20
  4. Step 4: Simplify right side
    4,917,789.40x = 28,058,393,129,539.74
  5. Step 5: Solve for x
    x = 28,058,393,129,539.74/4,917,789.40
  6. Step 6: Final answer
    x = 5,705,488.96

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1.5x scale

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.