Home / 1,555,063.44-2,145,997.51-866,778.94

Finding the Fourth Proportional to 1,555,063.44, 2,145,997.51 and 866,778.94

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Solution

The fourth proportional to 1,555,063.44, 2,145,997.51 and 866,778.94 is: 1,196,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,063.44 : 2,145,997.51 = 866,778.94 : x
  2. Step 2: Convert to fraction form
    1,555,063.44/2,145,997.51 = 866,778.94/x
  3. Step 3: Cross multiply
    1,555,063.44x = 2,145,997.51 × 866,778.94
  4. Step 4: Simplify right side
    1,555,063.44x = 1,860,105,445,795.03
  5. Step 5: Solve for x
    x = 1,860,105,445,795.03/1,555,063.44
  6. Step 6: Final answer
    x = 1,196,160.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.