Home / 1,850,428.92-2,552,809.86-1,238,778.66

Finding the Fourth Proportional to 1,850,428.92, 2,552,809.86 and 1,238,778.66

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Solution

The fourth proportional to 1,850,428.92, 2,552,809.86 and 1,238,778.66 is: 1,708,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850,428.92 : 2,552,809.86 = 1,238,778.66 : x
  2. Step 2: Convert to fraction form
    1,850,428.92/2,552,809.86 = 1,238,778.66/x
  3. Step 3: Cross multiply
    1,850,428.92x = 2,552,809.86 × 1,238,778.66
  4. Step 4: Simplify right side
    1,850,428.92x = 3,162,366,377,605.59
  5. Step 5: Solve for x
    x = 3,162,366,377,605.59/1,850,428.92
  6. Step 6: Final answer
    x = 1,708,991.00

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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.