Home / 3,171,053.80-4,376,032.02-1,720,712.38

Finding the Fourth Proportional to 3,171,053.80, 4,376,032.02 and 1,720,712.38

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Solution

The fourth proportional to 3,171,053.80, 4,376,032.02 and 1,720,712.38 is: 2,374,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,053.80 : 4,376,032.02 = 1,720,712.38 : x
  2. Step 2: Convert to fraction form
    3,171,053.80/4,376,032.02 = 1,720,712.38/x
  3. Step 3: Cross multiply
    3,171,053.80x = 4,376,032.02 × 1,720,712.38
  4. Step 4: Simplify right side
    3,171,053.80x = 7,529,892,472,090.41
  5. Step 5: Solve for x
    x = 7,529,892,472,090.41/3,171,053.80
  6. Step 6: Final answer
    x = 2,374,571.02

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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.