Home / 1,975,274.60-2,726,100.15-1,115,890.20

Finding the Fourth Proportional to 1,975,274.60, 2,726,100.15 and 1,115,890.20

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Solution

The fourth proportional to 1,975,274.60, 2,726,100.15 and 1,115,890.20 is: 1,540,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,274.60 : 2,726,100.15 = 1,115,890.20 : x
  2. Step 2: Convert to fraction form
    1,975,274.60/2,726,100.15 = 1,115,890.20/x
  3. Step 3: Cross multiply
    1,975,274.60x = 2,726,100.15 × 1,115,890.20
  4. Step 4: Simplify right side
    1,975,274.60x = 3,042,028,441,603.53
  5. Step 5: Solve for x
    x = 3,042,028,441,603.53/1,975,274.60
  6. Step 6: Final answer
    x = 1,540,053.44

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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.