Home / 3,128,072.40-4,692,108.60-1,108,596.60

Finding the Fourth Proportional to 3,128,072.40, 4,692,108.60 and 1,108,596.60

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Solution

The fourth proportional to 3,128,072.40, 4,692,108.60 and 1,108,596.60 is: 1,662,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,072.40 : 4,692,108.60 = 1,108,596.60 : x
  2. Step 2: Convert to fraction form
    3,128,072.40/4,692,108.60 = 1,108,596.60/x
  3. Step 3: Cross multiply
    3,128,072.40x = 4,692,108.60 × 1,108,596.60
  4. Step 4: Simplify right side
    3,128,072.40x = 5,201,655,640,790.76
  5. Step 5: Solve for x
    x = 5,201,655,640,790.76/3,128,072.40
  6. Step 6: Final answer
    x = 1,662,894.90

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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.