Home / 3,986,503.83-5,980,627.84-1,291,101.51

Finding the Fourth Proportional to 3,986,503.83, 5,980,627.84 and 1,291,101.51

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Solution

The fourth proportional to 3,986,503.83, 5,980,627.84 and 1,291,101.51 is: 1,936,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,503.83 : 5,980,627.84 = 1,291,101.51 : x
  2. Step 2: Convert to fraction form
    3,986,503.83/5,980,627.84 = 1,291,101.51/x
  3. Step 3: Cross multiply
    3,986,503.83x = 5,980,627.84 × 1,291,101.51
  4. Step 4: Simplify right side
    3,986,503.83x = 7,721,597,606,704.66
  5. Step 5: Solve for x
    x = 7,721,597,606,704.66/3,986,503.83
  6. Step 6: Final answer
    x = 1,936,934.70

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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.