Home / 1,992,705.12-2,749,918.32-1,133,264.16

Finding the Fourth Proportional to 1,992,705.12, 2,749,918.32 and 1,133,264.16

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Solution

The fourth proportional to 1,992,705.12, 2,749,918.32 and 1,133,264.16 is: 1,563,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,705.12 : 2,749,918.32 = 1,133,264.16 : x
  2. Step 2: Convert to fraction form
    1,992,705.12/2,749,918.32 = 1,133,264.16/x
  3. Step 3: Cross multiply
    1,992,705.12x = 2,749,918.32 × 1,133,264.16
  4. Step 4: Simplify right side
    1,992,705.12x = 3,116,383,874,983.41
  5. Step 5: Solve for x
    x = 3,116,383,874,983.41/1,992,705.12
  6. Step 6: Final answer
    x = 1,563,896.15

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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.