Home / 3,433,432.64-4,737,916.32-1,905,540.80

Finding the Fourth Proportional to 3,433,432.64, 4,737,916.32 and 1,905,540.80

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Solution

The fourth proportional to 3,433,432.64, 4,737,916.32 and 1,905,540.80 is: 2,629,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433,432.64 : 4,737,916.32 = 1,905,540.80 : x
  2. Step 2: Convert to fraction form
    3,433,432.64/4,737,916.32 = 1,905,540.80/x
  3. Step 3: Cross multiply
    3,433,432.64x = 4,737,916.32 × 1,905,540.80
  4. Step 4: Simplify right side
    3,433,432.64x = 9,028,292,854,745.86
  5. Step 5: Solve for x
    x = 9,028,292,854,745.86/3,433,432.64
  6. Step 6: Final answer
    x = 2,629,523.80

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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.