Home / 1,974,145.52-2,962,397.64-1,813,530.80

Finding the Fourth Proportional to 1,974,145.52, 2,962,397.64 and 1,813,530.80

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Solution

The fourth proportional to 1,974,145.52, 2,962,397.64 and 1,813,530.80 is: 2,721,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,145.52 : 2,962,397.64 = 1,813,530.80 : x
  2. Step 2: Convert to fraction form
    1,974,145.52/2,962,397.64 = 1,813,530.80/x
  3. Step 3: Cross multiply
    1,974,145.52x = 2,962,397.64 × 1,813,530.80
  4. Step 4: Simplify right side
    1,974,145.52x = 5,372,399,361,987.31
  5. Step 5: Solve for x
    x = 5,372,399,361,987.31/1,974,145.52
  6. Step 6: Final answer
    x = 2,721,379.61

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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.