Home / 6,984,576.61-9,638,194.66-3,928,200.37

Finding the Fourth Proportional to 6,984,576.61, 9,638,194.66 and 3,928,200.37

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Solution

The fourth proportional to 6,984,576.61, 9,638,194.66 and 3,928,200.37 is: 5,420,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984,576.61 : 9,638,194.66 = 3,928,200.37 : x
  2. Step 2: Convert to fraction form
    6,984,576.61/9,638,194.66 = 3,928,200.37/x
  3. Step 3: Cross multiply
    6,984,576.61x = 9,638,194.66 × 3,928,200.37
  4. Step 4: Simplify right side
    6,984,576.61x = 37,860,759,829,544.02
  5. Step 5: Solve for x
    x = 37,860,759,829,544.02/6,984,576.61
  6. Step 6: Final answer
    x = 5,420,623.46

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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.