Home / 2,209,666.28-3,314,639.49-693,409.04

Finding the Fourth Proportional to 2,209,666.28, 3,314,639.49 and 693,409.04

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Solution

The fourth proportional to 2,209,666.28, 3,314,639.49 and 693,409.04 is: 1,040,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,666.28 : 3,314,639.49 = 693,409.04 : x
  2. Step 2: Convert to fraction form
    2,209,666.28/3,314,639.49 = 693,409.04/x
  3. Step 3: Cross multiply
    2,209,666.28x = 3,314,639.49 × 693,409.04
  4. Step 4: Simplify right side
    2,209,666.28x = 2,298,400,986,706.99
  5. Step 5: Solve for x
    x = 2,298,400,986,706.99/2,209,666.28
  6. Step 6: Final answer
    x = 1,040,157.51

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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.