Home / 7,171,345-9,896,456.35-3,952,081

Finding the Fourth Proportional to 7,171,345, 9,896,456.35 and 3,952,081

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Solution

The fourth proportional to 7,171,345, 9,896,456.35 and 3,952,081 is: 5,453,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,345 : 9,896,456.35 = 3,952,081 : x
  2. Step 2: Convert to fraction form
    7,171,345/9,896,456.35 = 3,952,081/x
  3. Step 3: Cross multiply
    7,171,345x = 9,896,456.35 × 3,952,081
  4. Step 4: Simplify right side
    7,171,345x = 39,111,597,108,164.35
  5. Step 5: Solve for x
    x = 39,111,597,108,164.35/7,171,345
  6. Step 6: Final answer
    x = 5,453,871.92

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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.