Home / 1,873,496.78-2,811,366.31-1,721,039.64

Finding the Fourth Proportional to 1,873,496.78, 2,811,366.31 and 1,721,039.64

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Solution

The fourth proportional to 1,873,496.78, 2,811,366.31 and 1,721,039.64 is: 2,582,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,496.78 : 2,811,366.31 = 1,721,039.64 : x
  2. Step 2: Convert to fraction form
    1,873,496.78/2,811,366.31 = 1,721,039.64/x
  3. Step 3: Cross multiply
    1,873,496.78x = 2,811,366.31 × 1,721,039.64
  4. Step 4: Simplify right side
    1,873,496.78x = 4,838,472,862,070.53
  5. Step 5: Solve for x
    x = 4,838,472,862,070.53/1,873,496.78
  6. Step 6: Final answer
    x = 2,582,589.37

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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.