Home / 7,272,636-10,910,528.64-2,784,912

Finding the Fourth Proportional to 7,272,636, 10,910,528.64 and 2,784,912

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Solution

The fourth proportional to 7,272,636, 10,910,528.64 and 2,784,912 is: 4,177,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,636 : 10,910,528.64 = 2,784,912 : x
  2. Step 2: Convert to fraction form
    7,272,636/10,910,528.64 = 2,784,912/x
  3. Step 3: Cross multiply
    7,272,636x = 10,910,528.64 × 2,784,912
  4. Step 4: Simplify right side
    7,272,636x = 30,384,862,135,879.68
  5. Step 5: Solve for x
    x = 30,384,862,135,879.68/7,272,636
  6. Step 6: Final answer
    x = 4,177,970.98

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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.