Home / 3,948,635-5,922,953.31-1,424,289.98

Finding the Fourth Proportional to 3,948,635, 5,922,953.31 and 1,424,289.98

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Solution

The fourth proportional to 3,948,635, 5,922,953.31 and 1,424,289.98 is: 2,136,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,635 : 5,922,953.31 = 1,424,289.98 : x
  2. Step 2: Convert to fraction form
    3,948,635/5,922,953.31 = 1,424,289.98/x
  3. Step 3: Cross multiply
    3,948,635x = 5,922,953.31 × 1,424,289.98
  4. Step 4: Simplify right side
    3,948,635x = 8,436,003,051,440.83
  5. Step 5: Solve for x
    x = 8,436,003,051,440.83/3,948,635
  6. Step 6: Final answer
    x = 2,136,435.26

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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.