Home / 1,961,401.92-2,706,587.10-1,101,794.28

Finding the Fourth Proportional to 1,961,401.92, 2,706,587.10 and 1,101,794.28

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Solution

The fourth proportional to 1,961,401.92, 2,706,587.10 and 1,101,794.28 is: 1,520,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,401.92 : 2,706,587.10 = 1,101,794.28 : x
  2. Step 2: Convert to fraction form
    1,961,401.92/2,706,587.10 = 1,101,794.28/x
  3. Step 3: Cross multiply
    1,961,401.92x = 2,706,587.10 × 1,101,794.28
  4. Step 4: Simplify right side
    1,961,401.92x = 2,982,102,185,101.79
  5. Step 5: Solve for x
    x = 2,982,102,185,101.79/1,961,401.92
  6. Step 6: Final answer
    x = 1,520,393.22

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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.