Home / 2,885,279.94-3,981,671.85-1,578,508.31

Finding the Fourth Proportional to 2,885,279.94, 3,981,671.85 and 1,578,508.31

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Solution

The fourth proportional to 2,885,279.94, 3,981,671.85 and 1,578,508.31 is: 2,178,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,279.94 : 3,981,671.85 = 1,578,508.31 : x
  2. Step 2: Convert to fraction form
    2,885,279.94/3,981,671.85 = 1,578,508.31/x
  3. Step 3: Cross multiply
    2,885,279.94x = 3,981,671.85 × 1,578,508.31
  4. Step 4: Simplify right side
    2,885,279.94x = 6,285,102,083,009.71
  5. Step 5: Solve for x
    x = 6,285,102,083,009.71/2,885,279.94
  6. Step 6: Final answer
    x = 2,178,333.55

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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.