Home / 1,520,179.89-2,096,934.21-1,003,938.54

Finding the Fourth Proportional to 1,520,179.89, 2,096,934.21 and 1,003,938.54

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Solution

The fourth proportional to 1,520,179.89, 2,096,934.21 and 1,003,938.54 is: 1,384,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,179.89 : 2,096,934.21 = 1,003,938.54 : x
  2. Step 2: Convert to fraction form
    1,520,179.89/2,096,934.21 = 1,003,938.54/x
  3. Step 3: Cross multiply
    1,520,179.89x = 2,096,934.21 × 1,003,938.54
  4. Step 4: Simplify right side
    1,520,179.89x = 2,105,193,069,263.45
  5. Step 5: Solve for x
    x = 2,105,193,069,263.45/1,520,179.89
  6. Step 6: Final answer
    x = 1,384,831.55

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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.