Home / 1,901,258.84-2,622,755.80-1,289,204.48

Finding the Fourth Proportional to 1,901,258.84, 2,622,755.80 and 1,289,204.48

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Solution

The fourth proportional to 1,901,258.84, 2,622,755.80 and 1,289,204.48 is: 1,778,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,258.84 : 2,622,755.80 = 1,289,204.48 : x
  2. Step 2: Convert to fraction form
    1,901,258.84/2,622,755.80 = 1,289,204.48/x
  3. Step 3: Cross multiply
    1,901,258.84x = 2,622,755.80 × 1,289,204.48
  4. Step 4: Simplify right side
    1,901,258.84x = 3,381,268,527,305.98
  5. Step 5: Solve for x
    x = 3,381,268,527,305.98/1,901,258.84
  6. Step 6: Final answer
    x = 1,778,436.72

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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.