Home / 3,787,077.72-5,680,617.30-947,190.12

Finding the Fourth Proportional to 3,787,077.72, 5,680,617.30 and 947,190.12

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Solution

The fourth proportional to 3,787,077.72, 5,680,617.30 and 947,190.12 is: 1,420,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,077.72 : 5,680,617.30 = 947,190.12 : x
  2. Step 2: Convert to fraction form
    3,787,077.72/5,680,617.30 = 947,190.12/x
  3. Step 3: Cross multiply
    3,787,077.72x = 5,680,617.30 × 947,190.12
  4. Step 4: Simplify right side
    3,787,077.72x = 5,380,624,582,061.08
  5. Step 5: Solve for x
    x = 5,380,624,582,061.08/3,787,077.72
  6. Step 6: Final answer
    x = 1,420,785.36

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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.