Home / 3,409,236.90-5,113,297.26-1,387,399.14

Finding the Fourth Proportional to 3,409,236.90, 5,113,297.26 and 1,387,399.14

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Solution

The fourth proportional to 3,409,236.90, 5,113,297.26 and 1,387,399.14 is: 2,080,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,236.90 : 5,113,297.26 = 1,387,399.14 : x
  2. Step 2: Convert to fraction form
    3,409,236.90/5,113,297.26 = 1,387,399.14/x
  3. Step 3: Cross multiply
    3,409,236.90x = 5,113,297.26 × 1,387,399.14
  4. Step 4: Simplify right side
    3,409,236.90x = 7,094,184,221,088.36
  5. Step 5: Solve for x
    x = 7,094,184,221,088.36/3,409,236.90
  6. Step 6: Final answer
    x = 2,080,871.59

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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.