Home / 1,997,638.51-2,754,902.68-1,309,060.28

Finding the Fourth Proportional to 1,997,638.51, 2,754,902.68 and 1,309,060.28

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Solution

The fourth proportional to 1,997,638.51, 2,754,902.68 and 1,309,060.28 is: 1,805,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,638.51 : 2,754,902.68 = 1,309,060.28 : x
  2. Step 2: Convert to fraction form
    1,997,638.51/2,754,902.68 = 1,309,060.28/x
  3. Step 3: Cross multiply
    1,997,638.51x = 2,754,902.68 × 1,309,060.28
  4. Step 4: Simplify right side
    1,997,638.51x = 3,606,333,659,879.04
  5. Step 5: Solve for x
    x = 3,606,333,659,879.04/1,997,638.51
  6. Step 6: Final answer
    x = 1,805,298.43

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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.