Home / 3,119,257.60-4,675,660.80-1,696,307.20

Finding the Fourth Proportional to 3,119,257.60, 4,675,660.80 and 1,696,307.20

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Solution

The fourth proportional to 3,119,257.60, 4,675,660.80 and 1,696,307.20 is: 2,542,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,257.60 : 4,675,660.80 = 1,696,307.20 : x
  2. Step 2: Convert to fraction form
    3,119,257.60/4,675,660.80 = 1,696,307.20/x
  3. Step 3: Cross multiply
    3,119,257.60x = 4,675,660.80 × 1,696,307.20
  4. Step 4: Simplify right side
    3,119,257.60x = 7,931,357,079,797.76
  5. Step 5: Solve for x
    x = 7,931,357,079,797.76/3,119,257.60
  6. Step 6: Final answer
    x = 2,542,706.66

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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.