Home / 2,208,905.40-3,313,358.10-712,997.40

Finding the Fourth Proportional to 2,208,905.40, 3,313,358.10 and 712,997.40

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Solution

The fourth proportional to 2,208,905.40, 3,313,358.10 and 712,997.40 is: 1,069,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,905.40 : 3,313,358.10 = 712,997.40 : x
  2. Step 2: Convert to fraction form
    2,208,905.40/3,313,358.10 = 712,997.40/x
  3. Step 3: Cross multiply
    2,208,905.40x = 3,313,358.10 × 712,997.40
  4. Step 4: Simplify right side
    2,208,905.40x = 2,362,415,710,568.94
  5. Step 5: Solve for x
    x = 2,362,415,710,568.94/2,208,905.40
  6. Step 6: Final answer
    x = 1,069,496.10

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Double scale
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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.