Home / 3,386,453.87-5,081,103.95-2,108,130.64

Finding the Fourth Proportional to 3,386,453.87, 5,081,103.95 and 2,108,130.64

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Solution

The fourth proportional to 3,386,453.87, 5,081,103.95 and 2,108,130.64 is: 3,163,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386,453.87 : 5,081,103.95 = 2,108,130.64 : x
  2. Step 2: Convert to fraction form
    3,386,453.87/5,081,103.95 = 2,108,130.64/x
  3. Step 3: Cross multiply
    3,386,453.87x = 5,081,103.95 × 2,108,130.64
  4. Step 4: Simplify right side
    3,386,453.87x = 10,711,630,898,776.62
  5. Step 5: Solve for x
    x = 10,711,630,898,776.62/3,386,453.87
  6. Step 6: Final answer
    x = 3,163,081.89

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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.