Home / 3,787,801.20-5,681,701.80-947,908.80

Finding the Fourth Proportional to 3,787,801.20, 5,681,701.80 and 947,908.80

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Solution

The fourth proportional to 3,787,801.20, 5,681,701.80 and 947,908.80 is: 1,421,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,801.20 : 5,681,701.80 = 947,908.80 : x
  2. Step 2: Convert to fraction form
    3,787,801.20/5,681,701.80 = 947,908.80/x
  3. Step 3: Cross multiply
    3,787,801.20x = 5,681,701.80 × 947,908.80
  4. Step 4: Simplify right side
    3,787,801.20x = 5,385,735,135,195.84
  5. Step 5: Solve for x
    x = 5,385,735,135,195.84/3,787,801.20
  6. Step 6: Final answer
    x = 1,421,863.20

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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.