Home / 3,565,947.78-5,348,863.35-1,435,978.26

Finding the Fourth Proportional to 3,565,947.78, 5,348,863.35 and 1,435,978.26

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Solution

The fourth proportional to 3,565,947.78, 5,348,863.35 and 1,435,978.26 is: 2,153,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565,947.78 : 5,348,863.35 = 1,435,978.26 : x
  2. Step 2: Convert to fraction form
    3,565,947.78/5,348,863.35 = 1,435,978.26/x
  3. Step 3: Cross multiply
    3,565,947.78x = 5,348,863.35 × 1,435,978.26
  4. Step 4: Simplify right side
    3,565,947.78x = 7,680,851,486,310.77
  5. Step 5: Solve for x
    x = 7,680,851,486,310.77/3,565,947.78
  6. Step 6: Final answer
    x = 2,153,943.91

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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.