Home / 4,991,296.80-6,888,836.56-2,816,456.56

Finding the Fourth Proportional to 4,991,296.80, 6,888,836.56 and 2,816,456.56

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Solution

The fourth proportional to 4,991,296.80, 6,888,836.56 and 2,816,456.56 is: 3,887,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,296.80 : 6,888,836.56 = 2,816,456.56 : x
  2. Step 2: Convert to fraction form
    4,991,296.80/6,888,836.56 = 2,816,456.56/x
  3. Step 3: Cross multiply
    4,991,296.80x = 6,888,836.56 × 2,816,456.56
  4. Step 4: Simplify right side
    4,991,296.80x = 19,402,108,920,179.83
  5. Step 5: Solve for x
    x = 19,402,108,920,179.83/4,991,296.80
  6. Step 6: Final answer
    x = 3,887,187.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.