Home / 1,910,921.78-2,636,770.91-1,094,968.55

Finding the Fourth Proportional to 1,910,921.78, 2,636,770.91 and 1,094,968.55

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Solution

The fourth proportional to 1,910,921.78, 2,636,770.91 and 1,094,968.55 is: 1,510,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,921.78 : 2,636,770.91 = 1,094,968.55 : x
  2. Step 2: Convert to fraction form
    1,910,921.78/2,636,770.91 = 1,094,968.55/x
  3. Step 3: Cross multiply
    1,910,921.78x = 2,636,770.91 × 1,094,968.55
  4. Step 4: Simplify right side
    1,910,921.78x = 2,887,181,201,346.18
  5. Step 5: Solve for x
    x = 2,887,181,201,346.18/1,910,921.78
  6. Step 6: Final answer
    x = 1,510,884.03

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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.