Home / 3,187,649.79-4,399,059.15-1,810,968.32

Finding the Fourth Proportional to 3,187,649.79, 4,399,059.15 and 1,810,968.32

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Solution

The fourth proportional to 3,187,649.79, 4,399,059.15 and 1,810,968.32 is: 2,499,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,649.79 : 4,399,059.15 = 1,810,968.32 : x
  2. Step 2: Convert to fraction form
    3,187,649.79/4,399,059.15 = 1,810,968.32/x
  3. Step 3: Cross multiply
    3,187,649.79x = 4,399,059.15 × 1,810,968.32
  4. Step 4: Simplify right side
    3,187,649.79x = 7,966,556,736,460.83
  5. Step 5: Solve for x
    x = 7,966,556,736,460.83/3,187,649.79
  6. Step 6: Final answer
    x = 2,499,194.47

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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.