Home / 5,288,787.82-7,935,423.14-2,889,829.72

Finding the Fourth Proportional to 5,288,787.82, 7,935,423.14 and 2,889,829.72

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Solution

The fourth proportional to 5,288,787.82, 7,935,423.14 and 2,889,829.72 is: 4,335,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288,787.82 : 7,935,423.14 = 2,889,829.72 : x
  2. Step 2: Convert to fraction form
    5,288,787.82/7,935,423.14 = 2,889,829.72/x
  3. Step 3: Cross multiply
    5,288,787.82x = 7,935,423.14 × 2,889,829.72
  4. Step 4: Simplify right side
    5,288,787.82x = 22,932,021,630,747.72
  5. Step 5: Solve for x
    x = 22,932,021,630,747.72/5,288,787.82
  6. Step 6: Final answer
    x = 4,335,969.30

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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.