Home / 3,398,565.54-5,097,950.57-839,780.34

Finding the Fourth Proportional to 3,398,565.54, 5,097,950.57 and 839,780.34

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Solution

The fourth proportional to 3,398,565.54, 5,097,950.57 and 839,780.34 is: 1,259,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,565.54 : 5,097,950.57 = 839,780.34 : x
  2. Step 2: Convert to fraction form
    3,398,565.54/5,097,950.57 = 839,780.34/x
  3. Step 3: Cross multiply
    3,398,565.54x = 5,097,950.57 × 839,780.34
  4. Step 4: Simplify right side
    3,398,565.54x = 4,281,158,658,778.89
  5. Step 5: Solve for x
    x = 4,281,158,658,778.89/3,398,565.54
  6. Step 6: Final answer
    x = 1,259,695.78

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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.