Home / 1,960,947.83-2,705,268.60-1,224,623.79

Finding the Fourth Proportional to 1,960,947.83, 2,705,268.60 and 1,224,623.79

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Solution

The fourth proportional to 1,960,947.83, 2,705,268.60 and 1,224,623.79 is: 1,689,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,947.83 : 2,705,268.60 = 1,224,623.79 : x
  2. Step 2: Convert to fraction form
    1,960,947.83/2,705,268.60 = 1,224,623.79/x
  3. Step 3: Cross multiply
    1,960,947.83x = 2,705,268.60 × 1,224,623.79
  4. Step 4: Simplify right side
    1,960,947.83x = 3,312,936,285,899.99
  5. Step 5: Solve for x
    x = 3,312,936,285,899.99/1,960,947.83
  6. Step 6: Final answer
    x = 1,689,456.61

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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.