Home / 2,770,129.80-4,155,194.70-1,872,001.80

Finding the Fourth Proportional to 2,770,129.80, 4,155,194.70 and 1,872,001.80

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Solution

The fourth proportional to 2,770,129.80, 4,155,194.70 and 1,872,001.80 is: 2,808,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,129.80 : 4,155,194.70 = 1,872,001.80 : x
  2. Step 2: Convert to fraction form
    2,770,129.80/4,155,194.70 = 1,872,001.80/x
  3. Step 3: Cross multiply
    2,770,129.80x = 4,155,194.70 × 1,872,001.80
  4. Step 4: Simplify right side
    2,770,129.80x = 7,778,531,957,750.46
  5. Step 5: Solve for x
    x = 7,778,531,957,750.46/2,770,129.80
  6. Step 6: Final answer
    x = 2,808,002.70

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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.