Home / 6,874,319.20-10,308,854.40-2,080,415.20

Finding the Fourth Proportional to 6,874,319.20, 10,308,854.40 and 2,080,415.20

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Solution

The fourth proportional to 6,874,319.20, 10,308,854.40 and 2,080,415.20 is: 3,119,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874,319.20 : 10,308,854.40 = 2,080,415.20 : x
  2. Step 2: Convert to fraction form
    6,874,319.20/10,308,854.40 = 2,080,415.20/x
  3. Step 3: Cross multiply
    6,874,319.20x = 10,308,854.40 × 2,080,415.20
  4. Step 4: Simplify right side
    6,874,319.20x = 21,446,697,388,346.88
  5. Step 5: Solve for x
    x = 21,446,697,388,346.88/6,874,319.20
  6. Step 6: Final answer
    x = 3,119,828.56

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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.