Home / 1,661,935.25-2,295,361.30-1,117,124.86

Finding the Fourth Proportional to 1,661,935.25, 2,295,361.30 and 1,117,124.86

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Solution

The fourth proportional to 1,661,935.25, 2,295,361.30 and 1,117,124.86 is: 1,542,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,935.25 : 2,295,361.30 = 1,117,124.86 : x
  2. Step 2: Convert to fraction form
    1,661,935.25/2,295,361.30 = 1,117,124.86/x
  3. Step 3: Cross multiply
    1,661,935.25x = 2,295,361.30 × 1,117,124.86
  4. Step 4: Simplify right side
    1,661,935.25x = 2,564,205,159,435.11
  5. Step 5: Solve for x
    x = 2,564,205,159,435.11/1,661,935.25
  6. Step 6: Final answer
    x = 1,542,903.17

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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.