Home / 4,839,792.01-7,259,888.34-1,428,078.58

Finding the Fourth Proportional to 4,839,792.01, 7,259,888.34 and 1,428,078.58

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Solution

The fourth proportional to 4,839,792.01, 7,259,888.34 and 1,428,078.58 is: 2,142,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839,792.01 : 7,259,888.34 = 1,428,078.58 : x
  2. Step 2: Convert to fraction form
    4,839,792.01/7,259,888.34 = 1,428,078.58/x
  3. Step 3: Cross multiply
    4,839,792.01x = 7,259,888.34 × 1,428,078.58
  4. Step 4: Simplify right side
    4,839,792.01x = 10,367,691,013,396.04
  5. Step 5: Solve for x
    x = 10,367,691,013,396.04/4,839,792.01
  6. Step 6: Final answer
    x = 2,142,176.98

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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.