Home / 2,878,174.89-3,971,887.25-1,589,017.77

Finding the Fourth Proportional to 2,878,174.89, 3,971,887.25 and 1,589,017.77

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Solution

The fourth proportional to 2,878,174.89, 3,971,887.25 and 1,589,017.77 is: 2,192,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,174.89 : 3,971,887.25 = 1,589,017.77 : x
  2. Step 2: Convert to fraction form
    2,878,174.89/3,971,887.25 = 1,589,017.77/x
  3. Step 3: Cross multiply
    2,878,174.89x = 3,971,887.25 × 1,589,017.77
  4. Step 4: Simplify right side
    2,878,174.89x = 6,311,399,412,741.34
  5. Step 5: Solve for x
    x = 6,311,399,412,741.34/2,878,174.89
  6. Step 6: Final answer
    x = 2,192,847.78

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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.