Home / 2,309,076.73-3,186,530.51-1,290,481.45

Finding the Fourth Proportional to 2,309,076.73, 3,186,530.51 and 1,290,481.45

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Solution

The fourth proportional to 2,309,076.73, 3,186,530.51 and 1,290,481.45 is: 1,780,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,076.73 : 3,186,530.51 = 1,290,481.45 : x
  2. Step 2: Convert to fraction form
    2,309,076.73/3,186,530.51 = 1,290,481.45/x
  3. Step 3: Cross multiply
    2,309,076.73x = 3,186,530.51 × 1,290,481.45
  4. Step 4: Simplify right side
    2,309,076.73x = 4,112,158,506,561.63
  5. Step 5: Solve for x
    x = 4,112,158,506,561.63/2,309,076.73
  6. Step 6: Final answer
    x = 1,780,866.98

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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.