Home / 2,705,328.78-4,034,120.90-2,681,032.44

Finding the Fourth Proportional to 2,705,328.78, 4,034,120.90 and 2,681,032.44

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Solution

The fourth proportional to 2,705,328.78, 4,034,120.90 and 2,681,032.44 is: 3,997,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705,328.78 : 4,034,120.90 = 2,681,032.44 : x
  2. Step 2: Convert to fraction form
    2,705,328.78/4,034,120.90 = 2,681,032.44/x
  3. Step 3: Cross multiply
    2,705,328.78x = 4,034,120.90 × 2,681,032.44
  4. Step 4: Simplify right side
    2,705,328.78x = 10,815,608,986,376.83
  5. Step 5: Solve for x
    x = 10,815,608,986,376.83/2,705,328.78
  6. Step 6: Final answer
    x = 3,997,890.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.