Home / 3,989,965.18-5,506,186.92-2,271,196.21

Finding the Fourth Proportional to 3,989,965.18, 5,506,186.92 and 2,271,196.21

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Solution

The fourth proportional to 3,989,965.18, 5,506,186.92 and 2,271,196.21 is: 3,134,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,965.18 : 5,506,186.92 = 2,271,196.21 : x
  2. Step 2: Convert to fraction form
    3,989,965.18/5,506,186.92 = 2,271,196.21/x
  3. Step 3: Cross multiply
    3,989,965.18x = 5,506,186.92 × 2,271,196.21
  4. Step 4: Simplify right side
    3,989,965.18x = 12,505,630,864,255.57
  5. Step 5: Solve for x
    x = 12,505,630,864,255.57/3,989,965.18
  6. Step 6: Final answer
    x = 3,134,270.68

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.