Home / 2,199,698.80-3,296,923.80-1,974,000.40

Finding the Fourth Proportional to 2,199,698.80, 3,296,923.80 and 1,974,000.40

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Solution

The fourth proportional to 2,199,698.80, 3,296,923.80 and 1,974,000.40 is: 2,958,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,698.80 : 3,296,923.80 = 1,974,000.40 : x
  2. Step 2: Convert to fraction form
    2,199,698.80/3,296,923.80 = 1,974,000.40/x
  3. Step 3: Cross multiply
    2,199,698.80x = 3,296,923.80 × 1,974,000.40
  4. Step 4: Simplify right side
    2,199,698.80x = 6,508,128,899,969.52
  5. Step 5: Solve for x
    x = 6,508,128,899,969.52/2,199,698.80
  6. Step 6: Final answer
    x = 2,958,645.47

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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.