Home / 2,072,644.79-3,109,900.32-1,124,594.87

Finding the Fourth Proportional to 2,072,644.79, 3,109,900.32 and 1,124,594.87

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Solution

The fourth proportional to 2,072,644.79, 3,109,900.32 and 1,124,594.87 is: 1,687,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,644.79 : 3,109,900.32 = 1,124,594.87 : x
  2. Step 2: Convert to fraction form
    2,072,644.79/3,109,900.32 = 1,124,594.87/x
  3. Step 3: Cross multiply
    2,072,644.79x = 3,109,900.32 × 1,124,594.87
  4. Step 4: Simplify right side
    2,072,644.79x = 3,497,377,930,533.86
  5. Step 5: Solve for x
    x = 3,497,377,930,533.86/2,072,644.79
  6. Step 6: Final answer
    x = 1,687,398.61

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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.