Home / 2,825,196.60-4,240,127.70-1,311,209.40

Finding the Fourth Proportional to 2,825,196.60, 4,240,127.70 and 1,311,209.40

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Solution

The fourth proportional to 2,825,196.60, 4,240,127.70 and 1,311,209.40 is: 1,967,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,196.60 : 4,240,127.70 = 1,311,209.40 : x
  2. Step 2: Convert to fraction form
    2,825,196.60/4,240,127.70 = 1,311,209.40/x
  3. Step 3: Cross multiply
    2,825,196.60x = 4,240,127.70 × 1,311,209.40
  4. Step 4: Simplify right side
    2,825,196.60x = 5,559,695,297,440.38
  5. Step 5: Solve for x
    x = 5,559,695,297,440.38/2,825,196.60
  6. Step 6: Final answer
    x = 1,967,896.78

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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.