Home / 2,192,506.80-3,286,135.80-1,127,000.40

Finding the Fourth Proportional to 2,192,506.80, 3,286,135.80 and 1,127,000.40

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Solution

The fourth proportional to 2,192,506.80, 3,286,135.80 and 1,127,000.40 is: 1,689,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,506.80 : 3,286,135.80 = 1,127,000.40 : x
  2. Step 2: Convert to fraction form
    2,192,506.80/3,286,135.80 = 1,127,000.40/x
  3. Step 3: Cross multiply
    2,192,506.80x = 3,286,135.80 × 1,127,000.40
  4. Step 4: Simplify right side
    2,192,506.80x = 3,703,476,361,054.32
  5. Step 5: Solve for x
    x = 3,703,476,361,054.32/2,192,506.80
  6. Step 6: Final answer
    x = 1,689,151.60

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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.