Home / 2,912,913.54-4,368,425.67-1,115,701.38

Finding the Fourth Proportional to 2,912,913.54, 4,368,425.67 and 1,115,701.38

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Solution

The fourth proportional to 2,912,913.54, 4,368,425.67 and 1,115,701.38 is: 1,673,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,913.54 : 4,368,425.67 = 1,115,701.38 : x
  2. Step 2: Convert to fraction form
    2,912,913.54/4,368,425.67 = 1,115,701.38/x
  3. Step 3: Cross multiply
    2,912,913.54x = 4,368,425.67 × 1,115,701.38
  4. Step 4: Simplify right side
    2,912,913.54x = 4,873,858,548,446.42
  5. Step 5: Solve for x
    x = 4,873,858,548,446.42/2,912,913.54
  6. Step 6: Final answer
    x = 1,673,190.25

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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.