Home / 1,853,447.40-2,786,110.30-1,721,965.80

Finding the Fourth Proportional to 1,853,447.40, 2,786,110.30 and 1,721,965.80

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Solution

The fourth proportional to 1,853,447.40, 2,786,110.30 and 1,721,965.80 is: 2,588,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,447.40 : 2,786,110.30 = 1,721,965.80 : x
  2. Step 2: Convert to fraction form
    1,853,447.40/2,786,110.30 = 1,721,965.80/x
  3. Step 3: Cross multiply
    1,853,447.40x = 2,786,110.30 × 1,721,965.80
  4. Step 4: Simplify right side
    1,853,447.40x = 4,797,586,651,627.74
  5. Step 5: Solve for x
    x = 4,797,586,651,627.74/1,853,447.40
  6. Step 6: Final answer
    x = 2,588,466.58

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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.