Home / 2,922,944.80-4,385,108.40-928,400.80

Finding the Fourth Proportional to 2,922,944.80, 4,385,108.40 and 928,400.80

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Solution

The fourth proportional to 2,922,944.80, 4,385,108.40 and 928,400.80 is: 1,392,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922,944.80 : 4,385,108.40 = 928,400.80 : x
  2. Step 2: Convert to fraction form
    2,922,944.80/4,385,108.40 = 928,400.80/x
  3. Step 3: Cross multiply
    2,922,944.80x = 4,385,108.40 × 928,400.80
  4. Step 4: Simplify right side
    2,922,944.80x = 4,071,138,146,646.72
  5. Step 5: Solve for x
    x = 4,071,138,146,646.72/2,922,944.80
  6. Step 6: Final answer
    x = 1,392,820.74

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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.