Home / 3,208,617.76-4,812,937.48-812,461.26

Finding the Fourth Proportional to 3,208,617.76, 4,812,937.48 and 812,461.26

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Solution

The fourth proportional to 3,208,617.76, 4,812,937.48 and 812,461.26 is: 1,218,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,617.76 : 4,812,937.48 = 812,461.26 : x
  2. Step 2: Convert to fraction form
    3,208,617.76/4,812,937.48 = 812,461.26/x
  3. Step 3: Cross multiply
    3,208,617.76x = 4,812,937.48 × 812,461.26
  4. Step 4: Simplify right side
    3,208,617.76x = 3,910,325,249,302.03
  5. Step 5: Solve for x
    x = 3,910,325,249,302.03/3,208,617.76
  6. Step 6: Final answer
    x = 1,218,694.63

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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.