Home / 2,135,946.75-3,204,445.03-640,038.75

Finding the Fourth Proportional to 2,135,946.75, 3,204,445.03 and 640,038.75

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Solution

The fourth proportional to 2,135,946.75, 3,204,445.03 and 640,038.75 is: 960,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,946.75 : 3,204,445.03 = 640,038.75 : x
  2. Step 2: Convert to fraction form
    2,135,946.75/3,204,445.03 = 640,038.75/x
  3. Step 3: Cross multiply
    2,135,946.75x = 3,204,445.03 × 640,038.75
  4. Step 4: Simplify right side
    2,135,946.75x = 2,050,968,989,844.82
  5. Step 5: Solve for x
    x = 2,050,968,989,844.82/2,135,946.75
  6. Step 6: Final answer
    x = 960,215.41

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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.