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Finding the Fourth Proportional to 7,892,892, 10,892,190.96 and 4,271,220

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Solution

The fourth proportional to 7,892,892, 10,892,190.96 and 4,271,220 is: 5,894,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,892 : 10,892,190.96 = 4,271,220 : x
  2. Step 2: Convert to fraction form
    7,892,892/10,892,190.96 = 4,271,220/x
  3. Step 3: Cross multiply
    7,892,892x = 10,892,190.96 × 4,271,220
  4. Step 4: Simplify right side
    7,892,892x = 46,522,943,872,171.20
  5. Step 5: Solve for x
    x = 46,522,943,872,171.20/7,892,892
  6. Step 6: Final answer
    x = 5,894,283.60

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1.5x scale

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.