Home / 2,185,249.20-3,276,707.40-921,649.20

Finding the Fourth Proportional to 2,185,249.20, 3,276,707.40 and 921,649.20

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Solution

The fourth proportional to 2,185,249.20, 3,276,707.40 and 921,649.20 is: 1,381,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,249.20 : 3,276,707.40 = 921,649.20 : x
  2. Step 2: Convert to fraction form
    2,185,249.20/3,276,707.40 = 921,649.20/x
  3. Step 3: Cross multiply
    2,185,249.20x = 3,276,707.40 × 921,649.20
  4. Step 4: Simplify right side
    2,185,249.20x = 3,019,974,753,844.08
  5. Step 5: Solve for x
    x = 3,019,974,753,844.08/2,185,249.20
  6. Step 6: Final answer
    x = 1,381,981.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.