Home / 3,945,419.11-5,918,425.13-1,249,956.19

Finding the Fourth Proportional to 3,945,419.11, 5,918,425.13 and 1,249,956.19

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Solution

The fourth proportional to 3,945,419.11, 5,918,425.13 and 1,249,956.19 is: 1,875,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,419.11 : 5,918,425.13 = 1,249,956.19 : x
  2. Step 2: Convert to fraction form
    3,945,419.11/5,918,425.13 = 1,249,956.19/x
  3. Step 3: Cross multiply
    3,945,419.11x = 5,918,425.13 × 1,249,956.19
  4. Step 4: Simplify right side
    3,945,419.11x = 7,397,772,126,295.06
  5. Step 5: Solve for x
    x = 7,397,772,126,295.06/3,945,419.11
  6. Step 6: Final answer
    x = 1,875,028.21

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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.