Home / 3,143,126.90-4,735,693.08-2,839,873.30

Finding the Fourth Proportional to 3,143,126.90, 4,735,693.08 and 2,839,873.30

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Solution

The fourth proportional to 3,143,126.90, 4,735,693.08 and 2,839,873.30 is: 4,278,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,126.90 : 4,735,693.08 = 2,839,873.30 : x
  2. Step 2: Convert to fraction form
    3,143,126.90/4,735,693.08 = 2,839,873.30/x
  3. Step 3: Cross multiply
    3,143,126.90x = 4,735,693.08 × 2,839,873.30
  4. Step 4: Simplify right side
    3,143,126.90x = 13,448,768,323,047.53
  5. Step 5: Solve for x
    x = 13,448,768,323,047.53/3,143,126.90
  6. Step 6: Final answer
    x = 4,278,786.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.