Home / 3,947,042.16-5,446,918.08-2,136,206.16

Finding the Fourth Proportional to 3,947,042.16, 5,446,918.08 and 2,136,206.16

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Solution

The fourth proportional to 3,947,042.16, 5,446,918.08 and 2,136,206.16 is: 2,947,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,042.16 : 5,446,918.08 = 2,136,206.16 : x
  2. Step 2: Convert to fraction form
    3,947,042.16/5,446,918.08 = 2,136,206.16/x
  3. Step 3: Cross multiply
    3,947,042.16x = 5,446,918.08 × 2,136,206.16
  4. Step 4: Simplify right side
    3,947,042.16x = 11,635,739,955,511.37
  5. Step 5: Solve for x
    x = 11,635,739,955,511.37/3,947,042.16
  6. Step 6: Final answer
    x = 2,947,964.45

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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.