Home / 2,194,186.96-3,028,001.16-1,288,784.08

Finding the Fourth Proportional to 2,194,186.96, 3,028,001.16 and 1,288,784.08

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Solution

The fourth proportional to 2,194,186.96, 3,028,001.16 and 1,288,784.08 is: 1,778,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194,186.96 : 3,028,001.16 = 1,288,784.08 : x
  2. Step 2: Convert to fraction form
    2,194,186.96/3,028,001.16 = 1,288,784.08/x
  3. Step 3: Cross multiply
    2,194,186.96x = 3,028,001.16 × 1,288,784.08
  4. Step 4: Simplify right side
    2,194,186.96x = 3,902,439,689,229.53
  5. Step 5: Solve for x
    x = 3,902,439,689,229.53/2,194,186.96
  6. Step 6: Final answer
    x = 1,778,535.63

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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.