Home / 3,361,878-4,638,812.49-1,891,582.61

Finding the Fourth Proportional to 3,361,878, 4,638,812.49 and 1,891,582.61

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Solution

The fourth proportional to 3,361,878, 4,638,812.49 and 1,891,582.61 is: 2,610,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,878 : 4,638,812.49 = 1,891,582.61 : x
  2. Step 2: Convert to fraction form
    3,361,878/4,638,812.49 = 1,891,582.61/x
  3. Step 3: Cross multiply
    3,361,878x = 4,638,812.49 × 1,891,582.61
  4. Step 4: Simplify right side
    3,361,878x = 8,774,697,013,940.74
  5. Step 5: Solve for x
    x = 8,774,697,013,940.74/3,361,878
  6. Step 6: Final answer
    x = 2,610,058.13

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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.