Home / 5,258,674.80-7,885,679.40-2,419,657.20

Finding the Fourth Proportional to 5,258,674.80, 7,885,679.40 and 2,419,657.20

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Solution

The fourth proportional to 5,258,674.80, 7,885,679.40 and 2,419,657.20 is: 3,628,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258,674.80 : 7,885,679.40 = 2,419,657.20 : x
  2. Step 2: Convert to fraction form
    5,258,674.80/7,885,679.40 = 2,419,657.20/x
  3. Step 3: Cross multiply
    5,258,674.80x = 7,885,679.40 × 2,419,657.20
  4. Step 4: Simplify right side
    5,258,674.80x = 19,080,640,937,101.68
  5. Step 5: Solve for x
    x = 19,080,640,937,101.68/5,258,674.80
  6. Step 6: Final answer
    x = 3,628,412.42

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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.