Home / 4,839,851.40-7,259,977.44-1,428,138

Finding the Fourth Proportional to 4,839,851.40, 7,259,977.44 and 1,428,138

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Solution

The fourth proportional to 4,839,851.40, 7,259,977.44 and 1,428,138 is: 2,142,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839,851.40 : 7,259,977.44 = 1,428,138 : x
  2. Step 2: Convert to fraction form
    4,839,851.40/7,259,977.44 = 1,428,138/x
  3. Step 3: Cross multiply
    4,839,851.40x = 7,259,977.44 × 1,428,138
  4. Step 4: Simplify right side
    4,839,851.40x = 10,368,249,661,206.72
  5. Step 5: Solve for x
    x = 10,368,249,661,206.72/4,839,851.40
  6. Step 6: Final answer
    x = 2,142,266.12

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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.