Home / 2,211,888.76-3,312,518.68-1,262,380.84

Finding the Fourth Proportional to 2,211,888.76, 3,312,518.68 and 1,262,380.84

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Solution

The fourth proportional to 2,211,888.76, 3,312,518.68 and 1,262,380.84 is: 1,890,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,888.76 : 3,312,518.68 = 1,262,380.84 : x
  2. Step 2: Convert to fraction form
    2,211,888.76/3,312,518.68 = 1,262,380.84/x
  3. Step 3: Cross multiply
    2,211,888.76x = 3,312,518.68 × 1,262,380.84
  4. Step 4: Simplify right side
    2,211,888.76x = 4,181,660,113,774.09
  5. Step 5: Solve for x
    x = 4,181,660,113,774.09/2,211,888.76
  6. Step 6: Final answer
    x = 1,890,538.16

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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.