Home / 4,871,431.80-7,307,147.70-1,277,191.80

Finding the Fourth Proportional to 4,871,431.80, 7,307,147.70 and 1,277,191.80

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Solution

The fourth proportional to 4,871,431.80, 7,307,147.70 and 1,277,191.80 is: 1,915,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871,431.80 : 7,307,147.70 = 1,277,191.80 : x
  2. Step 2: Convert to fraction form
    4,871,431.80/7,307,147.70 = 1,277,191.80/x
  3. Step 3: Cross multiply
    4,871,431.80x = 7,307,147.70 × 1,277,191.80
  4. Step 4: Simplify right side
    4,871,431.80x = 9,332,629,123,828.86
  5. Step 5: Solve for x
    x = 9,332,629,123,828.86/4,871,431.80
  6. Step 6: Final answer
    x = 1,915,787.70

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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.