Home / 1,781,783.76-2,459,218.86-1,057,033.83

Finding the Fourth Proportional to 1,781,783.76, 2,459,218.86 and 1,057,033.83

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Solution

The fourth proportional to 1,781,783.76, 2,459,218.86 and 1,057,033.83 is: 1,458,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,783.76 : 2,459,218.86 = 1,057,033.83 : x
  2. Step 2: Convert to fraction form
    1,781,783.76/2,459,218.86 = 1,057,033.83/x
  3. Step 3: Cross multiply
    1,781,783.76x = 2,459,218.86 × 1,057,033.83
  4. Step 4: Simplify right side
    1,781,783.76x = 2,599,477,530,394.03
  5. Step 5: Solve for x
    x = 2,599,477,530,394.03/1,781,783.76
  6. Step 6: Final answer
    x = 1,458,918.63

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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.