Home / 2,198,587.70-3,034,051.32-1,218,589.94

Finding the Fourth Proportional to 2,198,587.70, 3,034,051.32 and 1,218,589.94

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Solution

The fourth proportional to 2,198,587.70, 3,034,051.32 and 1,218,589.94 is: 1,681,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,587.70 : 3,034,051.32 = 1,218,589.94 : x
  2. Step 2: Convert to fraction form
    2,198,587.70/3,034,051.32 = 1,218,589.94/x
  3. Step 3: Cross multiply
    2,198,587.70x = 3,034,051.32 × 1,218,589.94
  4. Step 4: Simplify right side
    2,198,587.70x = 3,697,264,415,995.72
  5. Step 5: Solve for x
    x = 3,697,264,415,995.72/2,198,587.70
  6. Step 6: Final answer
    x = 1,681,654.28

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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.