Home / 3,119,136.90-4,670,832.15-2,048,381.70

Finding the Fourth Proportional to 3,119,136.90, 4,670,832.15 and 2,048,381.70

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Solution

The fourth proportional to 3,119,136.90, 4,670,832.15 and 2,048,381.70 is: 3,067,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,136.90 : 4,670,832.15 = 2,048,381.70 : x
  2. Step 2: Convert to fraction form
    3,119,136.90/4,670,832.15 = 2,048,381.70/x
  3. Step 3: Cross multiply
    3,119,136.90x = 4,670,832.15 × 2,048,381.70
  4. Step 4: Simplify right side
    3,119,136.90x = 9,567,647,099,831.66
  5. Step 5: Solve for x
    x = 9,567,647,099,831.66/3,119,136.90
  6. Step 6: Final answer
    x = 3,067,402.11

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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.