Home / 3,315,364.53-4,973,047.01-919,209.21

Finding the Fourth Proportional to 3,315,364.53, 4,973,047.01 and 919,209.21

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Solution

The fourth proportional to 3,315,364.53, 4,973,047.01 and 919,209.21 is: 1,378,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,364.53 : 4,973,047.01 = 919,209.21 : x
  2. Step 2: Convert to fraction form
    3,315,364.53/4,973,047.01 = 919,209.21/x
  3. Step 3: Cross multiply
    3,315,364.53x = 4,973,047.01 × 919,209.21
  4. Step 4: Simplify right side
    3,315,364.53x = 4,571,270,608,758.92
  5. Step 5: Solve for x
    x = 4,571,270,608,758.92/3,315,364.53
  6. Step 6: Final answer
    x = 1,378,813.87

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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.