Home / 2,191,166.80-3,286,750.20-1,995,211.60

Finding the Fourth Proportional to 2,191,166.80, 3,286,750.20 and 1,995,211.60

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Solution

The fourth proportional to 2,191,166.80, 3,286,750.20 and 1,995,211.60 is: 2,992,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,166.80 : 3,286,750.20 = 1,995,211.60 : x
  2. Step 2: Convert to fraction form
    2,191,166.80/3,286,750.20 = 1,995,211.60/x
  3. Step 3: Cross multiply
    2,191,166.80x = 3,286,750.20 × 1,995,211.60
  4. Step 4: Simplify right side
    2,191,166.80x = 6,557,762,125,342.32
  5. Step 5: Solve for x
    x = 6,557,762,125,342.32/2,191,166.80
  6. Step 6: Final answer
    x = 2,992,817.40

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1.5x scale

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.