Home / 1,668,843.20-2,500,025.77-1,229,865.67

Finding the Fourth Proportional to 1,668,843.20, 2,500,025.77 and 1,229,865.67

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Solution

The fourth proportional to 1,668,843.20, 2,500,025.77 and 1,229,865.67 is: 1,842,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,843.20 : 2,500,025.77 = 1,229,865.67 : x
  2. Step 2: Convert to fraction form
    1,668,843.20/2,500,025.77 = 1,229,865.67/x
  3. Step 3: Cross multiply
    1,668,843.20x = 2,500,025.77 × 1,229,865.67
  4. Step 4: Simplify right side
    1,668,843.20x = 3,074,695,868,638.32
  5. Step 5: Solve for x
    x = 3,074,695,868,638.32/1,668,843.20
  6. Step 6: Final answer
    x = 1,842,411.48

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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.