Home / 3,787,270.80-5,680,903.72-947,380.80

Finding the Fourth Proportional to 3,787,270.80, 5,680,903.72 and 947,380.80

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Solution

The fourth proportional to 3,787,270.80, 5,680,903.72 and 947,380.80 is: 1,421,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,270.80 : 5,680,903.72 = 947,380.80 : x
  2. Step 2: Convert to fraction form
    3,787,270.80/5,680,903.72 = 947,380.80/x
  3. Step 3: Cross multiply
    3,787,270.80x = 5,680,903.72 × 947,380.80
  4. Step 4: Simplify right side
    3,787,270.80x = 5,381,979,110,976.58
  5. Step 5: Solve for x
    x = 5,381,979,110,976.58/3,787,270.80
  6. Step 6: Final answer
    x = 1,421,070.58

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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.