Home / 5,175,613.20-7,142,253.41-2,820,832.06

Finding the Fourth Proportional to 5,175,613.20, 7,142,253.41 and 2,820,832.06

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Solution

The fourth proportional to 5,175,613.20, 7,142,253.41 and 2,820,832.06 is: 3,892,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,613.20 : 7,142,253.41 = 2,820,832.06 : x
  2. Step 2: Convert to fraction form
    5,175,613.20/7,142,253.41 = 2,820,832.06/x
  3. Step 3: Cross multiply
    5,175,613.20x = 7,142,253.41 × 2,820,832.06
  4. Step 4: Simplify right side
    5,175,613.20x = 20,147,097,399,572.32
  5. Step 5: Solve for x
    x = 20,147,097,399,572.32/5,175,613.20
  6. Step 6: Final answer
    x = 3,892,697.66

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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.