Home / 2,083,610.40-3,117,121.20-1,806,208.80

Finding the Fourth Proportional to 2,083,610.40, 3,117,121.20 and 1,806,208.80

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Solution

The fourth proportional to 2,083,610.40, 3,117,121.20 and 1,806,208.80 is: 2,702,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,610.40 : 3,117,121.20 = 1,806,208.80 : x
  2. Step 2: Convert to fraction form
    2,083,610.40/3,117,121.20 = 1,806,208.80/x
  3. Step 3: Cross multiply
    2,083,610.40x = 3,117,121.20 × 1,806,208.80
  4. Step 4: Simplify right side
    2,083,610.40x = 5,630,171,742,106.56
  5. Step 5: Solve for x
    x = 5,630,171,742,106.56/2,083,610.40
  6. Step 6: Final answer
    x = 2,702,123.08

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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.