Home / 3,956,101.40-5,918,405.70-3,429,471.80

Finding the Fourth Proportional to 3,956,101.40, 5,918,405.70 and 3,429,471.80

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Solution

The fourth proportional to 3,956,101.40, 5,918,405.70 and 3,429,471.80 is: 5,130,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,101.40 : 5,918,405.70 = 3,429,471.80 : x
  2. Step 2: Convert to fraction form
    3,956,101.40/5,918,405.70 = 3,429,471.80/x
  3. Step 3: Cross multiply
    3,956,101.40x = 5,918,405.70 × 3,429,471.80
  4. Step 4: Simplify right side
    3,956,101.40x = 20,297,005,449,109.26
  5. Step 5: Solve for x
    x = 20,297,005,449,109.26/3,956,101.40
  6. Step 6: Final answer
    x = 5,130,557.43

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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.