Home / 5,213,367.87-7,820,036.15-1,322,817.48

Finding the Fourth Proportional to 5,213,367.87, 7,820,036.15 and 1,322,817.48

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Solution

The fourth proportional to 5,213,367.87, 7,820,036.15 and 1,322,817.48 is: 1,984,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,367.87 : 7,820,036.15 = 1,322,817.48 : x
  2. Step 2: Convert to fraction form
    5,213,367.87/7,820,036.15 = 1,322,817.48/x
  3. Step 3: Cross multiply
    5,213,367.87x = 7,820,036.15 × 1,322,817.48
  4. Step 4: Simplify right side
    5,213,367.87x = 10,344,480,516,758.95
  5. Step 5: Solve for x
    x = 10,344,480,516,758.95/5,213,367.87
  6. Step 6: Final answer
    x = 1,984,222.25

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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.