Home / 1,961,398.92-2,706,582.96-1,101,791.28

Finding the Fourth Proportional to 1,961,398.92, 2,706,582.96 and 1,101,791.28

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Solution

The fourth proportional to 1,961,398.92, 2,706,582.96 and 1,101,791.28 is: 1,520,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,398.92 : 2,706,582.96 = 1,101,791.28 : x
  2. Step 2: Convert to fraction form
    1,961,398.92/2,706,582.96 = 1,101,791.28/x
  3. Step 3: Cross multiply
    1,961,398.92x = 2,706,582.96 × 1,101,791.28
  4. Step 4: Simplify right side
    1,961,398.92x = 2,982,089,503,924.59
  5. Step 5: Solve for x
    x = 2,982,089,503,924.59/1,961,398.92
  6. Step 6: Final answer
    x = 1,520,389.08

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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.