Home / 6,879,287.10-10,319,914.80-2,087,351.40

Finding the Fourth Proportional to 6,879,287.10, 10,319,914.80 and 2,087,351.40

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Solution

The fourth proportional to 6,879,287.10, 10,319,914.80 and 2,087,351.40 is: 3,131,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879,287.10 : 10,319,914.80 = 2,087,351.40 : x
  2. Step 2: Convert to fraction form
    6,879,287.10/10,319,914.80 = 2,087,351.40/x
  3. Step 3: Cross multiply
    6,879,287.10x = 10,319,914.80 × 2,087,351.40
  4. Step 4: Simplify right side
    6,879,287.10x = 21,541,288,605,660.72
  5. Step 5: Solve for x
    x = 21,541,288,605,660.72/6,879,287.10
  6. Step 6: Final answer
    x = 3,131,325.72

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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.