Home / 1,856,659.71-2,784,422.62-1,283,964.30

Finding the Fourth Proportional to 1,856,659.71, 2,784,422.62 and 1,283,964.30

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Solution

The fourth proportional to 1,856,659.71, 2,784,422.62 and 1,283,964.30 is: 1,925,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,659.71 : 2,784,422.62 = 1,283,964.30 : x
  2. Step 2: Convert to fraction form
    1,856,659.71/2,784,422.62 = 1,283,964.30/x
  3. Step 3: Cross multiply
    1,856,659.71x = 2,784,422.62 × 1,283,964.30
  4. Step 4: Simplify right side
    1,856,659.71x = 3,575,099,240,192.47
  5. Step 5: Solve for x
    x = 3,575,099,240,192.47/1,856,659.71
  6. Step 6: Final answer
    x = 1,925,554.38

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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.