Home / 3,472,856.20-5,209,284.30-2,912,984.20

Finding the Fourth Proportional to 3,472,856.20, 5,209,284.30 and 2,912,984.20

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Solution

The fourth proportional to 3,472,856.20, 5,209,284.30 and 2,912,984.20 is: 4,369,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,856.20 : 5,209,284.30 = 2,912,984.20 : x
  2. Step 2: Convert to fraction form
    3,472,856.20/5,209,284.30 = 2,912,984.20/x
  3. Step 3: Cross multiply
    3,472,856.20x = 5,209,284.30 × 2,912,984.20
  4. Step 4: Simplify right side
    3,472,856.20x = 15,174,562,859,208.06
  5. Step 5: Solve for x
    x = 15,174,562,859,208.06/3,472,856.20
  6. Step 6: Final answer
    x = 4,369,476.30

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Double scale
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Similar ratio
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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.