Home / 3,100,176.10-4,278,000.74-1,723,436.04

Finding the Fourth Proportional to 3,100,176.10, 4,278,000.74 and 1,723,436.04

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Solution

The fourth proportional to 3,100,176.10, 4,278,000.74 and 1,723,436.04 is: 2,378,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,176.10 : 4,278,000.74 = 1,723,436.04 : x
  2. Step 2: Convert to fraction form
    3,100,176.10/4,278,000.74 = 1,723,436.04/x
  3. Step 3: Cross multiply
    3,100,176.10x = 4,278,000.74 × 1,723,436.04
  4. Step 4: Simplify right side
    3,100,176.10x = 7,372,860,654,462.67
  5. Step 5: Solve for x
    x = 7,372,860,654,462.67/3,100,176.10
  6. Step 6: Final answer
    x = 2,378,207.05

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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.