Home / 5,434,859.35-7,500,121.39-3,111,787.48

Finding the Fourth Proportional to 5,434,859.35, 7,500,121.39 and 3,111,787.48

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Solution

The fourth proportional to 5,434,859.35, 7,500,121.39 and 3,111,787.48 is: 4,294,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434,859.35 : 7,500,121.39 = 3,111,787.48 : x
  2. Step 2: Convert to fraction form
    5,434,859.35/7,500,121.39 = 3,111,787.48/x
  3. Step 3: Cross multiply
    5,434,859.35x = 7,500,121.39 × 3,111,787.48
  4. Step 4: Simplify right side
    5,434,859.35x = 23,338,783,839,084.36
  5. Step 5: Solve for x
    x = 23,338,783,839,084.36/5,434,859.35
  6. Step 6: Final answer
    x = 4,294,275.59

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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.