Home / 1,909,438.28-2,863,754.10-561,234.20

Finding the Fourth Proportional to 1,909,438.28, 2,863,754.10 and 561,234.20

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Solution

The fourth proportional to 1,909,438.28, 2,863,754.10 and 561,234.20 is: 841,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,438.28 : 2,863,754.10 = 561,234.20 : x
  2. Step 2: Convert to fraction form
    1,909,438.28/2,863,754.10 = 561,234.20/x
  3. Step 3: Cross multiply
    1,909,438.28x = 2,863,754.10 × 561,234.20
  4. Step 4: Simplify right side
    1,909,438.28x = 1,607,236,741,310.22
  5. Step 5: Solve for x
    x = 1,607,236,741,310.22/1,909,438.28
  6. Step 6: Final answer
    x = 841,732.75

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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.