Home / 2,100,811.06-3,150,555.63-680,537.62

Finding the Fourth Proportional to 2,100,811.06, 3,150,555.63 and 680,537.62

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Solution

The fourth proportional to 2,100,811.06, 3,150,555.63 and 680,537.62 is: 1,020,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,811.06 : 3,150,555.63 = 680,537.62 : x
  2. Step 2: Convert to fraction form
    2,100,811.06/3,150,555.63 = 680,537.62/x
  3. Step 3: Cross multiply
    2,100,811.06x = 3,150,555.63 × 680,537.62
  4. Step 4: Simplify right side
    2,100,811.06x = 2,144,071,630,117.80
  5. Step 5: Solve for x
    x = 2,144,071,630,117.80/2,100,811.06
  6. Step 6: Final answer
    x = 1,020,592.32

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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.