Home / 3,909,637.20-5,392,100.56-2,751,915.96

Finding the Fourth Proportional to 3,909,637.20, 5,392,100.56 and 2,751,915.96

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Solution

The fourth proportional to 3,909,637.20, 5,392,100.56 and 2,751,915.96 is: 3,795,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,637.20 : 5,392,100.56 = 2,751,915.96 : x
  2. Step 2: Convert to fraction form
    3,909,637.20/5,392,100.56 = 2,751,915.96/x
  3. Step 3: Cross multiply
    3,909,637.20x = 5,392,100.56 × 2,751,915.96
  4. Step 4: Simplify right side
    3,909,637.20x = 14,838,607,588,988.94
  5. Step 5: Solve for x
    x = 14,838,607,588,988.94/3,909,637.20
  6. Step 6: Final answer
    x = 3,795,392.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.