Home / 2,278,929.86-3,144,573.83-1,311,873.29

Finding the Fourth Proportional to 2,278,929.86, 3,144,573.83 and 1,311,873.29

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Solution

The fourth proportional to 2,278,929.86, 3,144,573.83 and 1,311,873.29 is: 1,810,184.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,929.86 : 3,144,573.83 = 1,311,873.29 : x
  2. Step 2: Convert to fraction form
    2,278,929.86/3,144,573.83 = 1,311,873.29/x
  3. Step 3: Cross multiply
    2,278,929.86x = 3,144,573.83 × 1,311,873.29
  4. Step 4: Simplify right side
    2,278,929.86x = 4,125,282,393,727.77
  5. Step 5: Solve for x
    x = 4,125,282,393,727.77/2,278,929.86
  6. Step 6: Final answer
    x = 1,810,184.01

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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.