Home / 1,919,101.44-2,648,371.20-1,059,645.44

Finding the Fourth Proportional to 1,919,101.44, 2,648,371.20 and 1,059,645.44

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Solution

The fourth proportional to 1,919,101.44, 2,648,371.20 and 1,059,645.44 is: 1,462,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,101.44 : 2,648,371.20 = 1,059,645.44 : x
  2. Step 2: Convert to fraction form
    1,919,101.44/2,648,371.20 = 1,059,645.44/x
  3. Step 3: Cross multiply
    1,919,101.44x = 2,648,371.20 × 1,059,645.44
  4. Step 4: Simplify right side
    1,919,101.44x = 2,806,334,465,507.33
  5. Step 5: Solve for x
    x = 2,806,334,465,507.33/1,919,101.44
  6. Step 6: Final answer
    x = 1,462,316.90

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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.