Home / 2,777,776.51-4,158,363.25-1,680,239.86

Finding the Fourth Proportional to 2,777,776.51, 4,158,363.25 and 1,680,239.86

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Solution

The fourth proportional to 2,777,776.51, 4,158,363.25 and 1,680,239.86 is: 2,515,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,776.51 : 4,158,363.25 = 1,680,239.86 : x
  2. Step 2: Convert to fraction form
    2,777,776.51/4,158,363.25 = 1,680,239.86/x
  3. Step 3: Cross multiply
    2,777,776.51x = 4,158,363.25 × 1,680,239.86
  4. Step 4: Simplify right side
    2,777,776.51x = 6,987,047,676,607.95
  5. Step 5: Solve for x
    x = 6,987,047,676,607.95/2,777,776.51
  6. Step 6: Final answer
    x = 2,515,338.31

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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.