Home / 5,219,221.80-7,826,954.40-1,806,581.16

Finding the Fourth Proportional to 5,219,221.80, 7,826,954.40 and 1,806,581.16

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Solution

The fourth proportional to 5,219,221.80, 7,826,954.40 and 1,806,581.16 is: 2,709,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,221.80 : 7,826,954.40 = 1,806,581.16 : x
  2. Step 2: Convert to fraction form
    5,219,221.80/7,826,954.40 = 1,806,581.16/x
  3. Step 3: Cross multiply
    5,219,221.80x = 7,826,954.40 × 1,806,581.16
  4. Step 4: Simplify right side
    5,219,221.80x = 14,140,028,359,219.10
  5. Step 5: Solve for x
    x = 14,140,028,359,219.10/5,219,221.80
  6. Step 6: Final answer
    x = 2,709,221.59

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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.