Home / 2,117,331.60-3,175,997.40-1,445,485.20

Finding the Fourth Proportional to 2,117,331.60, 3,175,997.40 and 1,445,485.20

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Solution

The fourth proportional to 2,117,331.60, 3,175,997.40 and 1,445,485.20 is: 2,168,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,331.60 : 3,175,997.40 = 1,445,485.20 : x
  2. Step 2: Convert to fraction form
    2,117,331.60/3,175,997.40 = 1,445,485.20/x
  3. Step 3: Cross multiply
    2,117,331.60x = 3,175,997.40 × 1,445,485.20
  4. Step 4: Simplify right side
    2,117,331.60x = 4,590,857,236,938.48
  5. Step 5: Solve for x
    x = 4,590,857,236,938.48/2,117,331.60
  6. Step 6: Final answer
    x = 2,168,227.80

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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.