Home / 3,945,418.11-5,918,423.63-1,249,955.19

Finding the Fourth Proportional to 3,945,418.11, 5,918,423.63 and 1,249,955.19

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Solution

The fourth proportional to 3,945,418.11, 5,918,423.63 and 1,249,955.19 is: 1,875,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,418.11 : 5,918,423.63 = 1,249,955.19 : x
  2. Step 2: Convert to fraction form
    3,945,418.11/5,918,423.63 = 1,249,955.19/x
  3. Step 3: Cross multiply
    3,945,418.11x = 5,918,423.63 × 1,249,955.19
  4. Step 4: Simplify right side
    3,945,418.11x = 7,397,764,326,687.36
  5. Step 5: Solve for x
    x = 7,397,764,326,687.36/3,945,418.11
  6. Step 6: Final answer
    x = 1,875,026.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.