Home / 3,033,886.91-4,186,763.78-1,638,448.42

Finding the Fourth Proportional to 3,033,886.91, 4,186,763.78 and 1,638,448.42

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Solution

The fourth proportional to 3,033,886.91, 4,186,763.78 and 1,638,448.42 is: 2,261,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033,886.91 : 4,186,763.78 = 1,638,448.42 : x
  2. Step 2: Convert to fraction form
    3,033,886.91/4,186,763.78 = 1,638,448.42/x
  3. Step 3: Cross multiply
    3,033,886.91x = 4,186,763.78 × 1,638,448.42
  4. Step 4: Simplify right side
    3,033,886.91x = 6,859,796,500,254.23
  5. Step 5: Solve for x
    x = 6,859,796,500,254.23/3,033,886.91
  6. Step 6: Final answer
    x = 2,261,058.74

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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.