Home / 3,391,983.50-5,090,308.05-1,397,439.50

Finding the Fourth Proportional to 3,391,983.50, 5,090,308.05 and 1,397,439.50

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Solution

The fourth proportional to 3,391,983.50, 5,090,308.05 and 1,397,439.50 is: 2,097,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,983.50 : 5,090,308.05 = 1,397,439.50 : x
  2. Step 2: Convert to fraction form
    3,391,983.50/5,090,308.05 = 1,397,439.50/x
  3. Step 3: Cross multiply
    3,391,983.50x = 5,090,308.05 × 1,397,439.50
  4. Step 4: Simplify right side
    3,391,983.50x = 7,113,397,536,237.98
  5. Step 5: Solve for x
    x = 7,113,397,536,237.98/3,391,983.50
  6. Step 6: Final answer
    x = 2,097,120.32

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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.