Home / 6,421,164.54-8,859,959.21-3,807,185.60

Finding the Fourth Proportional to 6,421,164.54, 8,859,959.21 and 3,807,185.60

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Solution

The fourth proportional to 6,421,164.54, 8,859,959.21 and 3,807,185.60 is: 5,253,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,164.54 : 8,859,959.21 = 3,807,185.60 : x
  2. Step 2: Convert to fraction form
    6,421,164.54/8,859,959.21 = 3,807,185.60/x
  3. Step 3: Cross multiply
    6,421,164.54x = 8,859,959.21 × 3,807,185.60
  4. Step 4: Simplify right side
    6,421,164.54x = 33,731,509,057,563.65
  5. Step 5: Solve for x
    x = 33,731,509,057,563.65/6,421,164.54
  6. Step 6: Final answer
    x = 5,253,176.25

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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.