Home / 2,690,889.43-4,031,766.54-1,623,689.05

Finding the Fourth Proportional to 2,690,889.43, 4,031,766.54 and 1,623,689.05

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Solution

The fourth proportional to 2,690,889.43, 4,031,766.54 and 1,623,689.05 is: 2,432,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,889.43 : 4,031,766.54 = 1,623,689.05 : x
  2. Step 2: Convert to fraction form
    2,690,889.43/4,031,766.54 = 1,623,689.05/x
  3. Step 3: Cross multiply
    2,690,889.43x = 4,031,766.54 × 1,623,689.05
  4. Step 4: Simplify right side
    2,690,889.43x = 6,546,335,183,154.39
  5. Step 5: Solve for x
    x = 6,546,335,183,154.39/2,690,889.43
  6. Step 6: Final answer
    x = 2,432,777.47

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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.