Home / 2,172,842.12-2,998,893.22-1,254,906.30

Finding the Fourth Proportional to 2,172,842.12, 2,998,893.22 and 1,254,906.30

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Solution

The fourth proportional to 2,172,842.12, 2,998,893.22 and 1,254,906.30 is: 1,731,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,842.12 : 2,998,893.22 = 1,254,906.30 : x
  2. Step 2: Convert to fraction form
    2,172,842.12/2,998,893.22 = 1,254,906.30/x
  3. Step 3: Cross multiply
    2,172,842.12x = 2,998,893.22 × 1,254,906.30
  4. Step 4: Simplify right side
    2,172,842.12x = 3,763,329,994,805.29
  5. Step 5: Solve for x
    x = 3,763,329,994,805.29/2,172,842.12
  6. Step 6: Final answer
    x = 1,731,985.02

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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.