Home / 1,897,449.78-2,618,501.36-1,037,991.59

Finding the Fourth Proportional to 1,897,449.78, 2,618,501.36 and 1,037,991.59

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Solution

The fourth proportional to 1,897,449.78, 2,618,501.36 and 1,037,991.59 is: 1,432,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,449.78 : 2,618,501.36 = 1,037,991.59 : x
  2. Step 2: Convert to fraction form
    1,897,449.78/2,618,501.36 = 1,037,991.59/x
  3. Step 3: Cross multiply
    1,897,449.78x = 2,618,501.36 × 1,037,991.59
  4. Step 4: Simplify right side
    1,897,449.78x = 2,717,982,384,473.62
  5. Step 5: Solve for x
    x = 2,717,982,384,473.62/1,897,449.78
  6. Step 6: Final answer
    x = 1,432,439.69

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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.