Home / 5,760,154.20-8,640,231.30-1,972,378.20

Finding the Fourth Proportional to 5,760,154.20, 8,640,231.30 and 1,972,378.20

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Solution

The fourth proportional to 5,760,154.20, 8,640,231.30 and 1,972,378.20 is: 2,958,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760,154.20 : 8,640,231.30 = 1,972,378.20 : x
  2. Step 2: Convert to fraction form
    5,760,154.20/8,640,231.30 = 1,972,378.20/x
  3. Step 3: Cross multiply
    5,760,154.20x = 8,640,231.30 × 1,972,378.20
  4. Step 4: Simplify right side
    5,760,154.20x = 17,041,803,859,077.66
  5. Step 5: Solve for x
    x = 17,041,803,859,077.66/5,760,154.20
  6. Step 6: Final answer
    x = 2,958,567.30

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Similar ratio
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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.