Home / 3,143,940.90-4,717,079.06-2,183,890.64

Finding the Fourth Proportional to 3,143,940.90, 4,717,079.06 and 2,183,890.64

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Solution

The fourth proportional to 3,143,940.90, 4,717,079.06 and 2,183,890.64 is: 3,276,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,940.90 : 4,717,079.06 = 2,183,890.64 : x
  2. Step 2: Convert to fraction form
    3,143,940.90/4,717,079.06 = 2,183,890.64/x
  3. Step 3: Cross multiply
    3,143,940.90x = 4,717,079.06 × 2,183,890.64
  4. Step 4: Simplify right side
    3,143,940.90x = 10,301,584,807,274.00
  5. Step 5: Solve for x
    x = 10,301,584,807,274.00/3,143,940.90
  6. Step 6: Final answer
    x = 3,276,647.09

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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.