Home / 3,878,215.20-5,813,642.16-1,353,192.48

Finding the Fourth Proportional to 3,878,215.20, 5,813,642.16 and 1,353,192.48

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Solution

The fourth proportional to 3,878,215.20, 5,813,642.16 and 1,353,192.48 is: 2,028,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,215.20 : 5,813,642.16 = 1,353,192.48 : x
  2. Step 2: Convert to fraction form
    3,878,215.20/5,813,642.16 = 1,353,192.48/x
  3. Step 3: Cross multiply
    3,878,215.20x = 5,813,642.16 × 1,353,192.48
  4. Step 4: Simplify right side
    3,878,215.20x = 7,866,976,852,322.96
  5. Step 5: Solve for x
    x = 7,866,976,852,322.96/3,878,215.20
  6. Step 6: Final answer
    x = 2,028,504.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.