Home / 1,918,638.08-2,647,651.15-1,059,179.88

Finding the Fourth Proportional to 1,918,638.08, 2,647,651.15 and 1,059,179.88

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Solution

The fourth proportional to 1,918,638.08, 2,647,651.15 and 1,059,179.88 is: 1,461,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,638.08 : 2,647,651.15 = 1,059,179.88 : x
  2. Step 2: Convert to fraction form
    1,918,638.08/2,647,651.15 = 1,059,179.88/x
  3. Step 3: Cross multiply
    1,918,638.08x = 2,647,651.15 × 1,059,179.88
  4. Step 4: Simplify right side
    1,918,638.08x = 2,804,338,827,338.86
  5. Step 5: Solve for x
    x = 2,804,338,827,338.86/1,918,638.08
  6. Step 6: Final answer
    x = 1,461,629.92

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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.