Home / 2,112,420.30-3,163,462.83-1,907,717.10

Finding the Fourth Proportional to 2,112,420.30, 3,163,462.83 and 1,907,717.10

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Solution

The fourth proportional to 2,112,420.30, 3,163,462.83 and 1,907,717.10 is: 2,856,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,420.30 : 3,163,462.83 = 1,907,717.10 : x
  2. Step 2: Convert to fraction form
    2,112,420.30/3,163,462.83 = 1,907,717.10/x
  3. Step 3: Cross multiply
    2,112,420.30x = 3,163,462.83 × 1,907,717.10
  4. Step 4: Simplify right side
    2,112,420.30x = 6,034,992,136,005.39
  5. Step 5: Solve for x
    x = 6,034,992,136,005.39/2,112,420.30
  6. Step 6: Final answer
    x = 2,856,908.80

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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.