Home / 5,775,527.81-7,970,322.36-3,161,987.78

Finding the Fourth Proportional to 5,775,527.81, 7,970,322.36 and 3,161,987.78

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Solution

The fourth proportional to 5,775,527.81, 7,970,322.36 and 3,161,987.78 is: 4,363,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775,527.81 : 7,970,322.36 = 3,161,987.78 : x
  2. Step 2: Convert to fraction form
    5,775,527.81/7,970,322.36 = 3,161,987.78/x
  3. Step 3: Cross multiply
    5,775,527.81x = 7,970,322.36 × 3,161,987.78
  4. Step 4: Simplify right side
    5,775,527.81x = 25,202,061,904,980.76
  5. Step 5: Solve for x
    x = 25,202,061,904,980.76/5,775,527.81
  6. Step 6: Final answer
    x = 4,363,594.59

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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.