Home / 3,530,707.78-4,872,735.46-2,080,870.30

Finding the Fourth Proportional to 3,530,707.78, 4,872,735.46 and 2,080,870.30

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Solution

The fourth proportional to 3,530,707.78, 4,872,735.46 and 2,080,870.30 is: 2,871,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530,707.78 : 4,872,735.46 = 2,080,870.30 : x
  2. Step 2: Convert to fraction form
    3,530,707.78/4,872,735.46 = 2,080,870.30/x
  3. Step 3: Cross multiply
    3,530,707.78x = 4,872,735.46 × 2,080,870.30
  4. Step 4: Simplify right side
    3,530,707.78x = 10,139,530,498,470.84
  5. Step 5: Solve for x
    x = 10,139,530,498,470.84/3,530,707.78
  6. Step 6: Final answer
    x = 2,871,812.43

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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.