Home / 2,171,338.09-2,996,805.84-1,204,779.76

Finding the Fourth Proportional to 2,171,338.09, 2,996,805.84 and 1,204,779.76

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Solution

The fourth proportional to 2,171,338.09, 2,996,805.84 and 1,204,779.76 is: 1,662,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,338.09 : 2,996,805.84 = 1,204,779.76 : x
  2. Step 2: Convert to fraction form
    2,171,338.09/2,996,805.84 = 1,204,779.76/x
  3. Step 3: Cross multiply
    2,171,338.09x = 2,996,805.84 × 1,204,779.76
  4. Step 4: Simplify right side
    2,171,338.09x = 3,610,491,020,681.80
  5. Step 5: Solve for x
    x = 3,610,491,020,681.80/2,171,338.09
  6. Step 6: Final answer
    x = 1,662,795.42

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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.