Home / 3,836,581.32-5,294,482.74-2,117,702.28

Finding the Fourth Proportional to 3,836,581.32, 5,294,482.74 and 2,117,702.28

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Solution

The fourth proportional to 3,836,581.32, 5,294,482.74 and 2,117,702.28 is: 2,922,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,581.32 : 5,294,482.74 = 2,117,702.28 : x
  2. Step 2: Convert to fraction form
    3,836,581.32/5,294,482.74 = 2,117,702.28/x
  3. Step 3: Cross multiply
    3,836,581.32x = 5,294,482.74 × 2,117,702.28
  4. Step 4: Simplify right side
    3,836,581.32x = 11,212,138,169,918.65
  5. Step 5: Solve for x
    x = 11,212,138,169,918.65/3,836,581.32
  6. Step 6: Final answer
    x = 2,922,429.43

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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.