Home / 1,928,535.71-2,661,403.52-1,112,908.64

Finding the Fourth Proportional to 1,928,535.71, 2,661,403.52 and 1,112,908.64

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Solution

The fourth proportional to 1,928,535.71, 2,661,403.52 and 1,112,908.64 is: 1,535,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,535.71 : 2,661,403.52 = 1,112,908.64 : x
  2. Step 2: Convert to fraction form
    1,928,535.71/2,661,403.52 = 1,112,908.64/x
  3. Step 3: Cross multiply
    1,928,535.71x = 2,661,403.52 × 1,112,908.64
  4. Step 4: Simplify right side
    1,928,535.71x = 2,961,898,961,409.67
  5. Step 5: Solve for x
    x = 2,961,898,961,409.67/1,928,535.71
  6. Step 6: Final answer
    x = 1,535,827.91

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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.