Home / 3,480,679.80-4,808,231.82-2,686,076.28

Finding the Fourth Proportional to 3,480,679.80, 4,808,231.82 and 2,686,076.28

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Solution

The fourth proportional to 3,480,679.80, 4,808,231.82 and 2,686,076.28 is: 3,710,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,679.80 : 4,808,231.82 = 2,686,076.28 : x
  2. Step 2: Convert to fraction form
    3,480,679.80/4,808,231.82 = 2,686,076.28/x
  3. Step 3: Cross multiply
    3,480,679.80x = 4,808,231.82 × 2,686,076.28
  4. Step 4: Simplify right side
    3,480,679.80x = 12,915,277,440,443.23
  5. Step 5: Solve for x
    x = 12,915,277,440,443.23/3,480,679.80
  6. Step 6: Final answer
    x = 3,710,561.78

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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.