Home / 3,828,439.70-5,283,478.80-2,109,558.14

Finding the Fourth Proportional to 3,828,439.70, 5,283,478.80 and 2,109,558.14

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Solution

The fourth proportional to 3,828,439.70, 5,283,478.80 and 2,109,558.14 is: 2,911,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,439.70 : 5,283,478.80 = 2,109,558.14 : x
  2. Step 2: Convert to fraction form
    3,828,439.70/5,283,478.80 = 2,109,558.14/x
  3. Step 3: Cross multiply
    3,828,439.70x = 5,283,478.80 × 2,109,558.14
  4. Step 4: Simplify right side
    3,828,439.70x = 11,145,805,710,057.43
  5. Step 5: Solve for x
    x = 11,145,805,710,057.43/3,828,439.70
  6. Step 6: Final answer
    x = 2,911,318.08

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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.