Home / 3,684,165.21-5,525,988.87-1,378,218.53

Finding the Fourth Proportional to 3,684,165.21, 5,525,988.87 and 1,378,218.53

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Solution

The fourth proportional to 3,684,165.21, 5,525,988.87 and 1,378,218.53 is: 2,067,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684,165.21 : 5,525,988.87 = 1,378,218.53 : x
  2. Step 2: Convert to fraction form
    3,684,165.21/5,525,988.87 = 1,378,218.53/x
  3. Step 3: Cross multiply
    3,684,165.21x = 5,525,988.87 × 1,378,218.53
  4. Step 4: Simplify right side
    3,684,165.21x = 7,616,020,257,207.76
  5. Step 5: Solve for x
    x = 7,616,020,257,207.76/3,684,165.21
  6. Step 6: Final answer
    x = 2,067,230.93

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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.