Home / 3,077,809.80-4,245,174.60-2,160,243.66

Finding the Fourth Proportional to 3,077,809.80, 4,245,174.60 and 2,160,243.66

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Solution

The fourth proportional to 3,077,809.80, 4,245,174.60 and 2,160,243.66 is: 2,979,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077,809.80 : 4,245,174.60 = 2,160,243.66 : x
  2. Step 2: Convert to fraction form
    3,077,809.80/4,245,174.60 = 2,160,243.66/x
  3. Step 3: Cross multiply
    3,077,809.80x = 4,245,174.60 × 2,160,243.66
  4. Step 4: Simplify right side
    3,077,809.80x = 9,170,611,515,243.04
  5. Step 5: Solve for x
    x = 9,170,611,515,243.04/3,077,809.80
  6. Step 6: Final answer
    x = 2,979,590.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.