Home / 2,125,109.80-3,187,664.70-705,212.20

Finding the Fourth Proportional to 2,125,109.80, 3,187,664.70 and 705,212.20

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Solution

The fourth proportional to 2,125,109.80, 3,187,664.70 and 705,212.20 is: 1,057,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,109.80 : 3,187,664.70 = 705,212.20 : x
  2. Step 2: Convert to fraction form
    2,125,109.80/3,187,664.70 = 705,212.20/x
  3. Step 3: Cross multiply
    2,125,109.80x = 3,187,664.70 × 705,212.20
  4. Step 4: Simplify right side
    2,125,109.80x = 2,247,980,035,949.34
  5. Step 5: Solve for x
    x = 2,247,980,035,949.34/2,125,109.80
  6. Step 6: Final answer
    x = 1,057,818.30

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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.