Home / 2,118,674.80-3,175,247.40-981,305.20

Finding the Fourth Proportional to 2,118,674.80, 3,175,247.40 and 981,305.20

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Solution

The fourth proportional to 2,118,674.80, 3,175,247.40 and 981,305.20 is: 1,470,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,674.80 : 3,175,247.40 = 981,305.20 : x
  2. Step 2: Convert to fraction form
    2,118,674.80/3,175,247.40 = 981,305.20/x
  3. Step 3: Cross multiply
    2,118,674.80x = 3,175,247.40 × 981,305.20
  4. Step 4: Simplify right side
    2,118,674.80x = 3,115,886,784,906.48
  5. Step 5: Solve for x
    x = 3,115,886,784,906.48/2,118,674.80
  6. Step 6: Final answer
    x = 1,470,677.23

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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.