Home / 3,812,951.25-5,261,851.44-2,070,603.90

Finding the Fourth Proportional to 3,812,951.25, 5,261,851.44 and 2,070,603.90

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Solution

The fourth proportional to 3,812,951.25, 5,261,851.44 and 2,070,603.90 is: 2,857,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812,951.25 : 5,261,851.44 = 2,070,603.90 : x
  2. Step 2: Convert to fraction form
    3,812,951.25/5,261,851.44 = 2,070,603.90/x
  3. Step 3: Cross multiply
    3,812,951.25x = 5,261,851.44 × 2,070,603.90
  4. Step 4: Simplify right side
    3,812,951.25x = 10,895,210,112,884.62
  5. Step 5: Solve for x
    x = 10,895,210,112,884.62/3,812,951.25
  6. Step 6: Final answer
    x = 2,857,421.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.