Home / 5,681,731.61-7,840,440.47-3,102,889.25

Finding the Fourth Proportional to 5,681,731.61, 7,840,440.47 and 3,102,889.25

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Solution

The fourth proportional to 5,681,731.61, 7,840,440.47 and 3,102,889.25 is: 4,281,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,731.61 : 7,840,440.47 = 3,102,889.25 : x
  2. Step 2: Convert to fraction form
    5,681,731.61/7,840,440.47 = 3,102,889.25/x
  3. Step 3: Cross multiply
    5,681,731.61x = 7,840,440.47 × 3,102,889.25
  4. Step 4: Simplify right side
    5,681,731.61x = 24,328,018,394,911.30
  5. Step 5: Solve for x
    x = 24,328,018,394,911.30/5,681,731.61
  6. Step 6: Final answer
    x = 4,281,796.48

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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.