Home / 3,015,109.80-4,161,010.78-1,708,614.90

Finding the Fourth Proportional to 3,015,109.80, 4,161,010.78 and 1,708,614.90

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Solution

The fourth proportional to 3,015,109.80, 4,161,010.78 and 1,708,614.90 is: 2,357,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,109.80 : 4,161,010.78 = 1,708,614.90 : x
  2. Step 2: Convert to fraction form
    3,015,109.80/4,161,010.78 = 1,708,614.90/x
  3. Step 3: Cross multiply
    3,015,109.80x = 4,161,010.78 × 1,708,614.90
  4. Step 4: Simplify right side
    3,015,109.80x = 7,109,565,017,768.62
  5. Step 5: Solve for x
    x = 7,109,565,017,768.62/3,015,109.80
  6. Step 6: Final answer
    x = 2,357,978.81

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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.