Home / 3,288,315.20-4,927,807.20-2,428,678.40

Finding the Fourth Proportional to 3,288,315.20, 4,927,807.20 and 2,428,678.40

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Solution

The fourth proportional to 3,288,315.20, 4,927,807.20 and 2,428,678.40 is: 3,639,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288,315.20 : 4,927,807.20 = 2,428,678.40 : x
  2. Step 2: Convert to fraction form
    3,288,315.20/4,927,807.20 = 2,428,678.40/x
  3. Step 3: Cross multiply
    3,288,315.20x = 4,927,807.20 × 2,428,678.40
  4. Step 4: Simplify right side
    3,288,315.20x = 11,968,058,906,004.48
  5. Step 5: Solve for x
    x = 11,968,058,906,004.48/3,288,315.20
  6. Step 6: Final answer
    x = 3,639,571.69

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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.