Home / 1,899,576.43-2,621,419.80-1,028,420.30

Finding the Fourth Proportional to 1,899,576.43, 2,621,419.80 and 1,028,420.30

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Solution

The fourth proportional to 1,899,576.43, 2,621,419.80 and 1,028,420.30 is: 1,419,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,576.43 : 2,621,419.80 = 1,028,420.30 : x
  2. Step 2: Convert to fraction form
    1,899,576.43/2,621,419.80 = 1,028,420.30/x
  3. Step 3: Cross multiply
    1,899,576.43x = 2,621,419.80 × 1,028,420.30
  4. Step 4: Simplify right side
    1,899,576.43x = 2,695,921,337,141.94
  5. Step 5: Solve for x
    x = 2,695,921,337,141.94/1,899,576.43
  6. Step 6: Final answer
    x = 1,419,222.36

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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.