Home / 5,740,215-7,921,496.70-3,161,887.80

Finding the Fourth Proportional to 5,740,215, 7,921,496.70 and 3,161,887.80

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Solution

The fourth proportional to 5,740,215, 7,921,496.70 and 3,161,887.80 is: 4,363,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740,215 : 7,921,496.70 = 3,161,887.80 : x
  2. Step 2: Convert to fraction form
    5,740,215/7,921,496.70 = 3,161,887.80/x
  3. Step 3: Cross multiply
    5,740,215x = 7,921,496.70 × 3,161,887.80
  4. Step 4: Simplify right side
    5,740,215x = 25,046,883,773,470.26
  5. Step 5: Solve for x
    x = 25,046,883,773,470.26/5,740,215
  6. Step 6: Final answer
    x = 4,363,405.16

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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.