Home / 5,391,913.69-8,085,621.96-2,194,869.61

Finding the Fourth Proportional to 5,391,913.69, 8,085,621.96 and 2,194,869.61

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Solution

The fourth proportional to 5,391,913.69, 8,085,621.96 and 2,194,869.61 is: 3,291,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,913.69 : 8,085,621.96 = 2,194,869.61 : x
  2. Step 2: Convert to fraction form
    5,391,913.69/8,085,621.96 = 2,194,869.61/x
  3. Step 3: Cross multiply
    5,391,913.69x = 8,085,621.96 × 2,194,869.61
  4. Step 4: Simplify right side
    5,391,913.69x = 17,746,885,917,952.63
  5. Step 5: Solve for x
    x = 17,746,885,917,952.63/5,391,913.69
  6. Step 6: Final answer
    x = 3,291,389.09

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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.