Home / 3,929,877-5,894,814.42-1,089,989.46

Finding the Fourth Proportional to 3,929,877, 5,894,814.42 and 1,089,989.46

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Solution

The fourth proportional to 3,929,877, 5,894,814.42 and 1,089,989.46 is: 1,634,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,877 : 5,894,814.42 = 1,089,989.46 : x
  2. Step 2: Convert to fraction form
    3,929,877/5,894,814.42 = 1,089,989.46/x
  3. Step 3: Cross multiply
    3,929,877x = 5,894,814.42 × 1,089,989.46
  4. Step 4: Simplify right side
    3,929,877x = 6,425,285,586,456.01
  5. Step 5: Solve for x
    x = 6,425,285,586,456.01/3,929,877
  6. Step 6: Final answer
    x = 1,634,983.89

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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.