Home / 5,181,643.10-7,150,646.64-2,858,680.05

Finding the Fourth Proportional to 5,181,643.10, 7,150,646.64 and 2,858,680.05

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Solution

The fourth proportional to 5,181,643.10, 7,150,646.64 and 2,858,680.05 is: 3,944,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,643.10 : 7,150,646.64 = 2,858,680.05 : x
  2. Step 2: Convert to fraction form
    5,181,643.10/7,150,646.64 = 2,858,680.05/x
  3. Step 3: Cross multiply
    5,181,643.10x = 7,150,646.64 × 2,858,680.05
  4. Step 4: Simplify right side
    5,181,643.10x = 20,441,410,862,192.58
  5. Step 5: Solve for x
    x = 20,441,410,862,192.58/5,181,643.10
  6. Step 6: Final answer
    x = 3,944,966.96

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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.