Home / 2,117,636.70-3,176,455.05-854,814.30

Finding the Fourth Proportional to 2,117,636.70, 3,176,455.05 and 854,814.30

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Solution

The fourth proportional to 2,117,636.70, 3,176,455.05 and 854,814.30 is: 1,282,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,636.70 : 3,176,455.05 = 854,814.30 : x
  2. Step 2: Convert to fraction form
    2,117,636.70/3,176,455.05 = 854,814.30/x
  3. Step 3: Cross multiply
    2,117,636.70x = 3,176,455.05 × 854,814.30
  4. Step 4: Simplify right side
    2,117,636.70x = 2,715,279,200,047.22
  5. Step 5: Solve for x
    x = 2,715,279,200,047.22/2,117,636.70
  6. Step 6: Final answer
    x = 1,282,221.45

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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.