Home / 2,079,714.36-3,120,038.10-659,816.76

Finding the Fourth Proportional to 2,079,714.36, 3,120,038.10 and 659,816.76

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Solution

The fourth proportional to 2,079,714.36, 3,120,038.10 and 659,816.76 is: 989,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,714.36 : 3,120,038.10 = 659,816.76 : x
  2. Step 2: Convert to fraction form
    2,079,714.36/3,120,038.10 = 659,816.76/x
  3. Step 3: Cross multiply
    2,079,714.36x = 3,120,038.10 × 659,816.76
  4. Step 4: Simplify right side
    2,079,714.36x = 2,058,653,430,218.56
  5. Step 5: Solve for x
    x = 2,058,653,430,218.56/2,079,714.36
  6. Step 6: Final answer
    x = 989,873.16

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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.