Home / 2,135,972.69-3,204,484.01-640,064.69

Finding the Fourth Proportional to 2,135,972.69, 3,204,484.01 and 640,064.69

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Solution

The fourth proportional to 2,135,972.69, 3,204,484.01 and 640,064.69 is: 960,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,972.69 : 3,204,484.01 = 640,064.69 : x
  2. Step 2: Convert to fraction form
    2,135,972.69/3,204,484.01 = 640,064.69/x
  3. Step 3: Cross multiply
    2,135,972.69x = 3,204,484.01 × 640,064.69
  4. Step 4: Simplify right side
    2,135,972.69x = 2,051,077,064,470.61
  5. Step 5: Solve for x
    x = 2,051,077,064,470.61/2,135,972.69
  6. Step 6: Final answer
    x = 960,254.35

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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.