Home / 3,436,772.69-4,742,219.06-1,986,187.97

Finding the Fourth Proportional to 3,436,772.69, 4,742,219.06 and 1,986,187.97

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Solution

The fourth proportional to 3,436,772.69, 4,742,219.06 and 1,986,187.97 is: 2,740,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,772.69 : 4,742,219.06 = 1,986,187.97 : x
  2. Step 2: Convert to fraction form
    3,436,772.69/4,742,219.06 = 1,986,187.97/x
  3. Step 3: Cross multiply
    3,436,772.69x = 4,742,219.06 × 1,986,187.97
  4. Step 4: Simplify right side
    3,436,772.69x = 9,418,938,424,365.61
  5. Step 5: Solve for x
    x = 9,418,938,424,365.61/3,436,772.69
  6. Step 6: Final answer
    x = 2,740,634.68

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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.