Home / 3,618,833.76-4,993,995.06-1,987,346.34

Finding the Fourth Proportional to 3,618,833.76, 4,993,995.06 and 1,987,346.34

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Solution

The fourth proportional to 3,618,833.76, 4,993,995.06 and 1,987,346.34 is: 2,742,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,833.76 : 4,993,995.06 = 1,987,346.34 : x
  2. Step 2: Convert to fraction form
    3,618,833.76/4,993,995.06 = 1,987,346.34/x
  3. Step 3: Cross multiply
    3,618,833.76x = 4,993,995.06 × 1,987,346.34
  4. Step 4: Simplify right side
    3,618,833.76x = 9,924,797,804,469.08
  5. Step 5: Solve for x
    x = 9,924,797,804,469.08/3,618,833.76
  6. Step 6: Final answer
    x = 2,742,540.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.