Home / 2,158,808.20-3,238,212.30-662,705.80

Finding the Fourth Proportional to 2,158,808.20, 3,238,212.30 and 662,705.80

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Solution

The fourth proportional to 2,158,808.20, 3,238,212.30 and 662,705.80 is: 994,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,808.20 : 3,238,212.30 = 662,705.80 : x
  2. Step 2: Convert to fraction form
    2,158,808.20/3,238,212.30 = 662,705.80/x
  3. Step 3: Cross multiply
    2,158,808.20x = 3,238,212.30 × 662,705.80
  4. Step 4: Simplify right side
    2,158,808.20x = 2,145,982,072,841.34
  5. Step 5: Solve for x
    x = 2,145,982,072,841.34/2,158,808.20
  6. Step 6: Final answer
    x = 994,058.70

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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.