Home / 3,934,217.88-5,429,074.68-2,191,846.32

Finding the Fourth Proportional to 3,934,217.88, 5,429,074.68 and 2,191,846.32

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Solution

The fourth proportional to 3,934,217.88, 5,429,074.68 and 2,191,846.32 is: 3,024,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,217.88 : 5,429,074.68 = 2,191,846.32 : x
  2. Step 2: Convert to fraction form
    3,934,217.88/5,429,074.68 = 2,191,846.32/x
  3. Step 3: Cross multiply
    3,934,217.88x = 5,429,074.68 × 2,191,846.32
  4. Step 4: Simplify right side
    3,934,217.88x = 11,899,697,358,363.18
  5. Step 5: Solve for x
    x = 11,899,697,358,363.18/3,934,217.88
  6. Step 6: Final answer
    x = 3,024,666.58

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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.