Home / 5,638,308.19-7,780,865.29-3,059,988.95

Finding the Fourth Proportional to 5,638,308.19, 7,780,865.29 and 3,059,988.95

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Solution

The fourth proportional to 5,638,308.19, 7,780,865.29 and 3,059,988.95 is: 4,222,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,308.19 : 7,780,865.29 = 3,059,988.95 : x
  2. Step 2: Convert to fraction form
    5,638,308.19/7,780,865.29 = 3,059,988.95/x
  3. Step 3: Cross multiply
    5,638,308.19x = 7,780,865.29 × 3,059,988.95
  4. Step 4: Simplify right side
    5,638,308.19x = 23,809,361,820,640.73
  5. Step 5: Solve for x
    x = 23,809,361,820,640.73/5,638,308.19
  6. Step 6: Final answer
    x = 4,222,784.75

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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.