Home / 5,120,769.16-7,066,752.42-2,828,793.16

Finding the Fourth Proportional to 5,120,769.16, 7,066,752.42 and 2,828,793.16

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Solution

The fourth proportional to 5,120,769.16, 7,066,752.42 and 2,828,793.16 is: 3,903,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,769.16 : 7,066,752.42 = 2,828,793.16 : x
  2. Step 2: Convert to fraction form
    5,120,769.16/7,066,752.42 = 2,828,793.16/x
  3. Step 3: Cross multiply
    5,120,769.16x = 7,066,752.42 × 2,828,793.16
  4. Step 4: Simplify right side
    5,120,769.16x = 19,990,380,909,109.45
  5. Step 5: Solve for x
    x = 19,990,380,909,109.45/5,120,769.16
  6. Step 6: Final answer
    x = 3,903,784.82

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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.