Home / 2,172,840.12-2,998,890.45-1,254,904.29

Finding the Fourth Proportional to 2,172,840.12, 2,998,890.45 and 1,254,904.29

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Solution

The fourth proportional to 2,172,840.12, 2,998,890.45 and 1,254,904.29 is: 1,731,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,840.12 : 2,998,890.45 = 1,254,904.29 : x
  2. Step 2: Convert to fraction form
    2,172,840.12/2,998,890.45 = 1,254,904.29/x
  3. Step 3: Cross multiply
    2,172,840.12x = 2,998,890.45 × 1,254,904.29
  4. Step 4: Simplify right side
    2,172,840.12x = 3,763,320,490,945.03
  5. Step 5: Solve for x
    x = 3,763,320,490,945.03/2,172,840.12
  6. Step 6: Final answer
    x = 1,731,982.24

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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.