Home / 2,652,831.54-3,980,022.33-855,675.21

Finding the Fourth Proportional to 2,652,831.54, 3,980,022.33 and 855,675.21

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Solution

The fourth proportional to 2,652,831.54, 3,980,022.33 and 855,675.21 is: 1,283,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,831.54 : 3,980,022.33 = 855,675.21 : x
  2. Step 2: Convert to fraction form
    2,652,831.54/3,980,022.33 = 855,675.21/x
  3. Step 3: Cross multiply
    2,652,831.54x = 3,980,022.33 × 855,675.21
  4. Step 4: Simplify right side
    2,652,831.54x = 3,405,606,443,027.44
  5. Step 5: Solve for x
    x = 3,405,606,443,027.44/2,652,831.54
  6. Step 6: Final answer
    x = 1,283,762.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.