Home / 5,200,419.60-7,790,131.80-2,953,933.20

Finding the Fourth Proportional to 5,200,419.60, 7,790,131.80 and 2,953,933.20

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Solution

The fourth proportional to 5,200,419.60, 7,790,131.80 and 2,953,933.20 is: 4,424,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,419.60 : 7,790,131.80 = 2,953,933.20 : x
  2. Step 2: Convert to fraction form
    5,200,419.60/7,790,131.80 = 2,953,933.20/x
  3. Step 3: Cross multiply
    5,200,419.60x = 7,790,131.80 × 2,953,933.20
  4. Step 4: Simplify right side
    5,200,419.60x = 23,011,528,956,395.76
  5. Step 5: Solve for x
    x = 23,011,528,956,395.76/5,200,419.60
  6. Step 6: Final answer
    x = 4,424,936.97

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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.