Home / 5,234,571.72-7,851,845.64-1,640,612.52

Finding the Fourth Proportional to 5,234,571.72, 7,851,845.64 and 1,640,612.52

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Solution

The fourth proportional to 5,234,571.72, 7,851,845.64 and 1,640,612.52 is: 2,460,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,571.72 : 7,851,845.64 = 1,640,612.52 : x
  2. Step 2: Convert to fraction form
    5,234,571.72/7,851,845.64 = 1,640,612.52/x
  3. Step 3: Cross multiply
    5,234,571.72x = 7,851,845.64 × 1,640,612.52
  4. Step 4: Simplify right side
    5,234,571.72x = 12,881,836,262,091.41
  5. Step 5: Solve for x
    x = 12,881,836,262,091.41/5,234,571.72
  6. Step 6: Final answer
    x = 2,460,915.04

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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.