Home / 2,976,279.80-4,463,941.39-816,800.36

Finding the Fourth Proportional to 2,976,279.80, 4,463,941.39 and 816,800.36

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Solution

The fourth proportional to 2,976,279.80, 4,463,941.39 and 816,800.36 is: 1,225,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,279.80 : 4,463,941.39 = 816,800.36 : x
  2. Step 2: Convert to fraction form
    2,976,279.80/4,463,941.39 = 816,800.36/x
  3. Step 3: Cross multiply
    2,976,279.80x = 4,463,941.39 × 816,800.36
  4. Step 4: Simplify right side
    2,976,279.80x = 3,646,148,910,009.19
  5. Step 5: Solve for x
    x = 3,646,148,910,009.19/2,976,279.80
  6. Step 6: Final answer
    x = 1,225,069.27

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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.