Home / 1,900,520.64-2,851,305.84-1,691,618.40

Finding the Fourth Proportional to 1,900,520.64, 2,851,305.84 and 1,691,618.40

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Solution

The fourth proportional to 1,900,520.64, 2,851,305.84 and 1,691,618.40 is: 2,537,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,520.64 : 2,851,305.84 = 1,691,618.40 : x
  2. Step 2: Convert to fraction form
    1,900,520.64/2,851,305.84 = 1,691,618.40/x
  3. Step 3: Cross multiply
    1,900,520.64x = 2,851,305.84 × 1,691,618.40
  4. Step 4: Simplify right side
    1,900,520.64x = 4,823,321,422,971.46
  5. Step 5: Solve for x
    x = 4,823,321,422,971.46/1,900,520.64
  6. Step 6: Final answer
    x = 2,537,894.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.