Home / 2,850,131.80-4,278,308.10-1,590,419.80

Finding the Fourth Proportional to 2,850,131.80, 4,278,308.10 and 1,590,419.80

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Solution

The fourth proportional to 2,850,131.80, 4,278,308.10 and 1,590,419.80 is: 2,387,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,131.80 : 4,278,308.10 = 1,590,419.80 : x
  2. Step 2: Convert to fraction form
    2,850,131.80/4,278,308.10 = 1,590,419.80/x
  3. Step 3: Cross multiply
    2,850,131.80x = 4,278,308.10 × 1,590,419.80
  4. Step 4: Simplify right side
    2,850,131.80x = 6,804,305,912,740.38
  5. Step 5: Solve for x
    x = 6,804,305,912,740.38/2,850,131.80
  6. Step 6: Final answer
    x = 2,387,365.35

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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.