Home / 2,019,865.77-2,788,424.87-1,256,165.37

Finding the Fourth Proportional to 2,019,865.77, 2,788,424.87 and 1,256,165.37

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Solution

The fourth proportional to 2,019,865.77, 2,788,424.87 and 1,256,165.37 is: 1,734,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,865.77 : 2,788,424.87 = 1,256,165.37 : x
  2. Step 2: Convert to fraction form
    2,019,865.77/2,788,424.87 = 1,256,165.37/x
  3. Step 3: Cross multiply
    2,019,865.77x = 2,788,424.87 × 1,256,165.37
  4. Step 4: Simplify right side
    2,019,865.77x = 3,502,722,752,259.93
  5. Step 5: Solve for x
    x = 3,502,722,752,259.93/2,019,865.77
  6. Step 6: Final answer
    x = 1,734,136.40

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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.