Home / 2,108,002.56-3,162,008.16-986,858.88

Finding the Fourth Proportional to 2,108,002.56, 3,162,008.16 and 986,858.88

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Solution

The fourth proportional to 2,108,002.56, 3,162,008.16 and 986,858.88 is: 1,480,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,002.56 : 3,162,008.16 = 986,858.88 : x
  2. Step 2: Convert to fraction form
    2,108,002.56/3,162,008.16 = 986,858.88/x
  3. Step 3: Cross multiply
    2,108,002.56x = 3,162,008.16 × 986,858.88
  4. Step 4: Simplify right side
    2,108,002.56x = 3,120,455,831,328.46
  5. Step 5: Solve for x
    x = 3,120,455,831,328.46/2,108,002.56
  6. Step 6: Final answer
    x = 1,480,290.34

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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.