Home / 1,917,220.83-2,875,113.57-822,867.49

Finding the Fourth Proportional to 1,917,220.83, 2,875,113.57 and 822,867.49

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Solution

The fourth proportional to 1,917,220.83, 2,875,113.57 and 822,867.49 is: 1,233,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,220.83 : 2,875,113.57 = 822,867.49 : x
  2. Step 2: Convert to fraction form
    1,917,220.83/2,875,113.57 = 822,867.49/x
  3. Step 3: Cross multiply
    1,917,220.83x = 2,875,113.57 × 822,867.49
  4. Step 4: Simplify right side
    1,917,220.83x = 2,365,837,493,490.48
  5. Step 5: Solve for x
    x = 2,365,837,493,490.48/1,917,220.83
  6. Step 6: Final answer
    x = 1,233,993.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.