Home / 2,191,140.30-3,286,710.45-1,011,492.30

Finding the Fourth Proportional to 2,191,140.30, 3,286,710.45 and 1,011,492.30

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Solution

The fourth proportional to 2,191,140.30, 3,286,710.45 and 1,011,492.30 is: 1,517,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,140.30 : 3,286,710.45 = 1,011,492.30 : x
  2. Step 2: Convert to fraction form
    2,191,140.30/3,286,710.45 = 1,011,492.30/x
  3. Step 3: Cross multiply
    2,191,140.30x = 3,286,710.45 × 1,011,492.30
  4. Step 4: Simplify right side
    2,191,140.30x = 3,324,482,312,504.54
  5. Step 5: Solve for x
    x = 3,324,482,312,504.54/2,191,140.30
  6. Step 6: Final answer
    x = 1,517,238.45

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Similar ratio
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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.