Home / 3,783,206.88-5,219,461.22-2,912,307.92

Finding the Fourth Proportional to 3,783,206.88, 5,219,461.22 and 2,912,307.92

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Solution

The fourth proportional to 3,783,206.88, 5,219,461.22 and 2,912,307.92 is: 4,017,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,206.88 : 5,219,461.22 = 2,912,307.92 : x
  2. Step 2: Convert to fraction form
    3,783,206.88/5,219,461.22 = 2,912,307.92/x
  3. Step 3: Cross multiply
    3,783,206.88x = 5,219,461.22 × 2,912,307.92
  4. Step 4: Simplify right side
    3,783,206.88x = 15,200,678,249,138.86
  5. Step 5: Solve for x
    x = 15,200,678,249,138.86/3,783,206.88
  6. Step 6: Final answer
    x = 4,017,934.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.