Home / 3,436,772.59-4,742,218.94-1,986,187.88

Finding the Fourth Proportional to 3,436,772.59, 4,742,218.94 and 1,986,187.88

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Solution

The fourth proportional to 3,436,772.59, 4,742,218.94 and 1,986,187.88 is: 2,740,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,772.59 : 4,742,218.94 = 1,986,187.88 : x
  2. Step 2: Convert to fraction form
    3,436,772.59/4,742,218.94 = 1,986,187.88/x
  3. Step 3: Cross multiply
    3,436,772.59x = 4,742,218.94 × 1,986,187.88
  4. Step 4: Simplify right side
    3,436,772.59x = 9,418,937,749,292.41
  5. Step 5: Solve for x
    x = 9,418,937,749,292.41/3,436,772.59
  6. Step 6: Final answer
    x = 2,740,634.57

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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.