Home / 2,640,324.21-3,959,852.16-1,219,014.69

Finding the Fourth Proportional to 2,640,324.21, 3,959,852.16 and 1,219,014.69

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Solution

The fourth proportional to 2,640,324.21, 3,959,852.16 and 1,219,014.69 is: 1,828,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,324.21 : 3,959,852.16 = 1,219,014.69 : x
  2. Step 2: Convert to fraction form
    2,640,324.21/3,959,852.16 = 1,219,014.69/x
  3. Step 3: Cross multiply
    2,640,324.21x = 3,959,852.16 × 1,219,014.69
  4. Step 4: Simplify right side
    2,640,324.21x = 4,827,117,953,268.23
  5. Step 5: Solve for x
    x = 4,827,117,953,268.23/2,640,324.21
  6. Step 6: Final answer
    x = 1,828,229.25

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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.