Home / 3,396,929.89-4,687,892.28-1,946,905.15

Finding the Fourth Proportional to 3,396,929.89, 4,687,892.28 and 1,946,905.15

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Solution

The fourth proportional to 3,396,929.89, 4,687,892.28 and 1,946,905.15 is: 2,686,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396,929.89 : 4,687,892.28 = 1,946,905.15 : x
  2. Step 2: Convert to fraction form
    3,396,929.89/4,687,892.28 = 1,946,905.15/x
  3. Step 3: Cross multiply
    3,396,929.89x = 4,687,892.28 × 1,946,905.15
  4. Step 4: Simplify right side
    3,396,929.89x = 9,126,881,622,577.24
  5. Step 5: Solve for x
    x = 9,126,881,622,577.24/3,396,929.89
  6. Step 6: Final answer
    x = 2,686,803.06

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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.