Home / 2,078,502.20-3,117,105.30-816,716.60

Finding the Fourth Proportional to 2,078,502.20, 3,117,105.30 and 816,716.60

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Solution

The fourth proportional to 2,078,502.20, 3,117,105.30 and 816,716.60 is: 1,224,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,502.20 : 3,117,105.30 = 816,716.60 : x
  2. Step 2: Convert to fraction form
    2,078,502.20/3,117,105.30 = 816,716.60/x
  3. Step 3: Cross multiply
    2,078,502.20x = 3,117,105.30 × 816,716.60
  4. Step 4: Simplify right side
    2,078,502.20x = 2,545,791,642,457.98
  5. Step 5: Solve for x
    x = 2,545,791,642,457.98/2,078,502.20
  6. Step 6: Final answer
    x = 1,224,820.28

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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.