Home / 2,219,812.40-3,329,718.60-1,971,806.60

Finding the Fourth Proportional to 2,219,812.40, 3,329,718.60 and 1,971,806.60

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Solution

The fourth proportional to 2,219,812.40, 3,329,718.60 and 1,971,806.60 is: 2,957,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,812.40 : 3,329,718.60 = 1,971,806.60 : x
  2. Step 2: Convert to fraction form
    2,219,812.40/3,329,718.60 = 1,971,806.60/x
  3. Step 3: Cross multiply
    2,219,812.40x = 3,329,718.60 × 1,971,806.60
  4. Step 4: Simplify right side
    2,219,812.40x = 6,565,561,111,622.76
  5. Step 5: Solve for x
    x = 6,565,561,111,622.76/2,219,812.40
  6. Step 6: Final answer
    x = 2,957,709.90

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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.