Home / 3,948,678-5,923,017.84-1,424,332.98

Finding the Fourth Proportional to 3,948,678, 5,923,017.84 and 1,424,332.98

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Solution

The fourth proportional to 3,948,678, 5,923,017.84 and 1,424,332.98 is: 2,136,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,678 : 5,923,017.84 = 1,424,332.98 : x
  2. Step 2: Convert to fraction form
    3,948,678/5,923,017.84 = 1,424,332.98/x
  3. Step 3: Cross multiply
    3,948,678x = 5,923,017.84 × 1,424,332.98
  4. Step 4: Simplify right side
    3,948,678x = 8,436,349,650,640.36
  5. Step 5: Solve for x
    x = 8,436,349,650,640.36/3,948,678
  6. Step 6: Final answer
    x = 2,136,499.77

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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.