Home / 6,879,688.20-10,315,644.30-2,619,995.40

Finding the Fourth Proportional to 6,879,688.20, 10,315,644.30 and 2,619,995.40

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Solution

The fourth proportional to 6,879,688.20, 10,315,644.30 and 2,619,995.40 is: 3,928,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879,688.20 : 10,315,644.30 = 2,619,995.40 : x
  2. Step 2: Convert to fraction form
    6,879,688.20/10,315,644.30 = 2,619,995.40/x
  3. Step 3: Cross multiply
    6,879,688.20x = 10,315,644.30 × 2,619,995.40
  4. Step 4: Simplify right side
    6,879,688.20x = 27,026,940,614,036.22
  5. Step 5: Solve for x
    x = 27,026,940,614,036.22/6,879,688.20
  6. Step 6: Final answer
    x = 3,928,512.43

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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.