Home / 1,917,765.25-2,647,511.06-1,400,938.88

Finding the Fourth Proportional to 1,917,765.25, 2,647,511.06 and 1,400,938.88

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Solution

The fourth proportional to 1,917,765.25, 2,647,511.06 and 1,400,938.88 is: 1,934,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,765.25 : 2,647,511.06 = 1,400,938.88 : x
  2. Step 2: Convert to fraction form
    1,917,765.25/2,647,511.06 = 1,400,938.88/x
  3. Step 3: Cross multiply
    1,917,765.25x = 2,647,511.06 × 1,400,938.88
  4. Step 4: Simplify right side
    1,917,765.25x = 3,709,001,158,941.76
  5. Step 5: Solve for x
    x = 3,709,001,158,941.76/1,917,765.25
  6. Step 6: Final answer
    x = 1,934,022.51

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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.