Home / 2,928,772.72-4,042,189.96-2,010,247.28

Finding the Fourth Proportional to 2,928,772.72, 4,042,189.96 and 2,010,247.28

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Solution

The fourth proportional to 2,928,772.72, 4,042,189.96 and 2,010,247.28 is: 2,774,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,772.72 : 4,042,189.96 = 2,010,247.28 : x
  2. Step 2: Convert to fraction form
    2,928,772.72/4,042,189.96 = 2,010,247.28/x
  3. Step 3: Cross multiply
    2,928,772.72x = 4,042,189.96 × 2,010,247.28
  4. Step 4: Simplify right side
    2,928,772.72x = 8,125,801,372,333.31
  5. Step 5: Solve for x
    x = 8,125,801,372,333.31/2,928,772.72
  6. Step 6: Final answer
    x = 2,774,473.18

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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.