Home / 1,521,099.41-2,278,368.95-1,431,667.85

Finding the Fourth Proportional to 1,521,099.41, 2,278,368.95 and 1,431,667.85

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Solution

The fourth proportional to 1,521,099.41, 2,278,368.95 and 1,431,667.85 is: 2,144,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,099.41 : 2,278,368.95 = 1,431,667.85 : x
  2. Step 2: Convert to fraction form
    1,521,099.41/2,278,368.95 = 1,431,667.85/x
  3. Step 3: Cross multiply
    1,521,099.41x = 2,278,368.95 × 1,431,667.85
  4. Step 4: Simplify right side
    1,521,099.41x = 3,261,867,557,603.07
  5. Step 5: Solve for x
    x = 3,261,867,557,603.07/1,521,099.41
  6. Step 6: Final answer
    x = 2,144,414.46

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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.