Home / 3,642,506.10-5,027,316.44-2,172,509.01

Finding the Fourth Proportional to 3,642,506.10, 5,027,316.44 and 2,172,509.01

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Solution

The fourth proportional to 3,642,506.10, 5,027,316.44 and 2,172,509.01 is: 2,998,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,506.10 : 5,027,316.44 = 2,172,509.01 : x
  2. Step 2: Convert to fraction form
    3,642,506.10/5,027,316.44 = 2,172,509.01/x
  3. Step 3: Cross multiply
    3,642,506.10x = 5,027,316.44 × 2,172,509.01
  4. Step 4: Simplify right side
    3,642,506.10x = 10,921,890,251,158.58
  5. Step 5: Solve for x
    x = 10,921,890,251,158.58/3,642,506.10
  6. Step 6: Final answer
    x = 2,998,454.90

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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.