Home / 1,616,235.48-2,230,401.96-891,078.12

Finding the Fourth Proportional to 1,616,235.48, 2,230,401.96 and 891,078.12

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Solution

The fourth proportional to 1,616,235.48, 2,230,401.96 and 891,078.12 is: 1,229,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,235.48 : 2,230,401.96 = 891,078.12 : x
  2. Step 2: Convert to fraction form
    1,616,235.48/2,230,401.96 = 891,078.12/x
  3. Step 3: Cross multiply
    1,616,235.48x = 2,230,401.96 × 891,078.12
  4. Step 4: Simplify right side
    1,616,235.48x = 1,987,462,385,361.12
  5. Step 5: Solve for x
    x = 1,987,462,385,361.12/1,616,235.48
  6. Step 6: Final answer
    x = 1,229,686.15

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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.