Home / 2,135,971.69-3,204,482.51-640,063.69

Finding the Fourth Proportional to 2,135,971.69, 3,204,482.51 and 640,063.69

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Solution

The fourth proportional to 2,135,971.69, 3,204,482.51 and 640,063.69 is: 960,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,971.69 : 3,204,482.51 = 640,063.69 : x
  2. Step 2: Convert to fraction form
    2,135,971.69/3,204,482.51 = 640,063.69/x
  3. Step 3: Cross multiply
    2,135,971.69x = 3,204,482.51 × 640,063.69
  4. Step 4: Simplify right side
    2,135,971.69x = 2,051,072,893,480.02
  5. Step 5: Solve for x
    x = 2,051,072,893,480.02/2,135,971.69
  6. Step 6: Final answer
    x = 960,252.85

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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.