Home / 3,240,009.40-4,858,847.70-1,642,041.40

Finding the Fourth Proportional to 3,240,009.40, 4,858,847.70 and 1,642,041.40

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Solution

The fourth proportional to 3,240,009.40, 4,858,847.70 and 1,642,041.40 is: 2,462,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,009.40 : 4,858,847.70 = 1,642,041.40 : x
  2. Step 2: Convert to fraction form
    3,240,009.40/4,858,847.70 = 1,642,041.40/x
  3. Step 3: Cross multiply
    3,240,009.40x = 4,858,847.70 × 1,642,041.40
  4. Step 4: Simplify right side
    3,240,009.40x = 7,978,429,079,694.78
  5. Step 5: Solve for x
    x = 7,978,429,079,694.78/3,240,009.40
  6. Step 6: Final answer
    x = 2,462,470.97

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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.