Home / 1,587,194.72-2,188,836.73-1,224,043.37

Finding the Fourth Proportional to 1,587,194.72, 2,188,836.73 and 1,224,043.37

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Solution

The fourth proportional to 1,587,194.72, 2,188,836.73 and 1,224,043.37 is: 1,688,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,194.72 : 2,188,836.73 = 1,224,043.37 : x
  2. Step 2: Convert to fraction form
    1,587,194.72/2,188,836.73 = 1,224,043.37/x
  3. Step 3: Cross multiply
    1,587,194.72x = 2,188,836.73 × 1,224,043.37
  4. Step 4: Simplify right side
    1,587,194.72x = 2,679,231,087,368.98
  5. Step 5: Solve for x
    x = 2,679,231,087,368.98/1,587,194.72
  6. Step 6: Final answer
    x = 1,688,029.23

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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.