Home / 1,899,415.73-2,621,175.80-1,028,228.13

Finding the Fourth Proportional to 1,899,415.73, 2,621,175.80 and 1,028,228.13

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Solution

The fourth proportional to 1,899,415.73, 2,621,175.80 and 1,028,228.13 is: 1,418,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,415.73 : 2,621,175.80 = 1,028,228.13 : x
  2. Step 2: Convert to fraction form
    1,899,415.73/2,621,175.80 = 1,028,228.13/x
  3. Step 3: Cross multiply
    1,899,415.73x = 2,621,175.80 × 1,028,228.13
  4. Step 4: Simplify right side
    1,899,415.73x = 2,695,166,686,094.11
  5. Step 5: Solve for x
    x = 2,695,166,686,094.11/1,899,415.73
  6. Step 6: Final answer
    x = 1,418,945.13

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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.