Home / 3,886,381.20-5,827,822.20-1,489,429.20

Finding the Fourth Proportional to 3,886,381.20, 5,827,822.20 and 1,489,429.20

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Solution

The fourth proportional to 3,886,381.20, 5,827,822.20 and 1,489,429.20 is: 2,233,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,381.20 : 5,827,822.20 = 1,489,429.20 : x
  2. Step 2: Convert to fraction form
    3,886,381.20/5,827,822.20 = 1,489,429.20/x
  3. Step 3: Cross multiply
    3,886,381.20x = 5,827,822.20 × 1,489,429.20
  4. Step 4: Simplify right side
    3,886,381.20x = 8,680,128,557,088.24
  5. Step 5: Solve for x
    x = 8,680,128,557,088.24/3,886,381.20
  6. Step 6: Final answer
    x = 2,233,473.28

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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.