Home / 2,318,984.20-3,478,476.30-991,880.20

Finding the Fourth Proportional to 2,318,984.20, 3,478,476.30 and 991,880.20

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Solution

The fourth proportional to 2,318,984.20, 3,478,476.30 and 991,880.20 is: 1,487,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,984.20 : 3,478,476.30 = 991,880.20 : x
  2. Step 2: Convert to fraction form
    2,318,984.20/3,478,476.30 = 991,880.20/x
  3. Step 3: Cross multiply
    2,318,984.20x = 3,478,476.30 × 991,880.20
  4. Step 4: Simplify right side
    2,318,984.20x = 3,450,231,768,139.26
  5. Step 5: Solve for x
    x = 3,450,231,768,139.26/2,318,984.20
  6. Step 6: Final answer
    x = 1,487,820.30

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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.