Home / 3,436,772.09-4,742,218.25-1,986,187.37

Finding the Fourth Proportional to 3,436,772.09, 4,742,218.25 and 1,986,187.37

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Solution

The fourth proportional to 3,436,772.09, 4,742,218.25 and 1,986,187.37 is: 2,740,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,772.09 : 4,742,218.25 = 1,986,187.37 : x
  2. Step 2: Convert to fraction form
    3,436,772.09/4,742,218.25 = 1,986,187.37/x
  3. Step 3: Cross multiply
    3,436,772.09x = 4,742,218.25 × 1,986,187.37
  4. Step 4: Simplify right side
    3,436,772.09x = 9,418,933,995,858.11
  5. Step 5: Solve for x
    x = 9,418,933,995,858.11/3,436,772.09
  6. Step 6: Final answer
    x = 2,740,633.87

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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.