Home / 1,521,101.41-2,278,371.95-1,431,669.85

Finding the Fourth Proportional to 1,521,101.41, 2,278,371.95 and 1,431,669.85

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Solution

The fourth proportional to 1,521,101.41, 2,278,371.95 and 1,431,669.85 is: 2,144,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,101.41 : 2,278,371.95 = 1,431,669.85 : x
  2. Step 2: Convert to fraction form
    1,521,101.41/2,278,371.95 = 1,431,669.85/x
  3. Step 3: Cross multiply
    1,521,101.41x = 2,278,371.95 × 1,431,669.85
  4. Step 4: Simplify right side
    1,521,101.41x = 3,261,876,409,350.50
  5. Step 5: Solve for x
    x = 3,261,876,409,350.50/1,521,101.41
  6. Step 6: Final answer
    x = 2,144,417.46

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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.