Home / 5,640,219.90-7,782,682.20-3,225,305.34

Finding the Fourth Proportional to 5,640,219.90, 7,782,682.20 and 3,225,305.34

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Solution

The fourth proportional to 5,640,219.90, 7,782,682.20 and 3,225,305.34 is: 4,450,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,219.90 : 7,782,682.20 = 3,225,305.34 : x
  2. Step 2: Convert to fraction form
    5,640,219.90/7,782,682.20 = 3,225,305.34/x
  3. Step 3: Cross multiply
    5,640,219.90x = 7,782,682.20 × 3,225,305.34
  4. Step 4: Simplify right side
    5,640,219.90x = 25,101,526,459,182.95
  5. Step 5: Solve for x
    x = 25,101,526,459,182.95/5,640,219.90
  6. Step 6: Final answer
    x = 4,450,451.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.