Home / 2,666,736.78-3,680,106.45-1,443,042.30

Finding the Fourth Proportional to 2,666,736.78, 3,680,106.45 and 1,443,042.30

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Solution

The fourth proportional to 2,666,736.78, 3,680,106.45 and 1,443,042.30 is: 1,991,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,736.78 : 3,680,106.45 = 1,443,042.30 : x
  2. Step 2: Convert to fraction form
    2,666,736.78/3,680,106.45 = 1,443,042.30/x
  3. Step 3: Cross multiply
    2,666,736.78x = 3,680,106.45 × 1,443,042.30
  4. Step 4: Simplify right side
    2,666,736.78x = 5,310,549,275,852.84
  5. Step 5: Solve for x
    x = 5,310,549,275,852.84/2,666,736.78
  6. Step 6: Final answer
    x = 1,991,403.62

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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.