Home / 3,889,761.80-5,832,018.30-2,068,428.20

Finding the Fourth Proportional to 3,889,761.80, 5,832,018.30 and 2,068,428.20

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Solution

The fourth proportional to 3,889,761.80, 5,832,018.30 and 2,068,428.20 is: 3,101,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,761.80 : 5,832,018.30 = 2,068,428.20 : x
  2. Step 2: Convert to fraction form
    3,889,761.80/5,832,018.30 = 2,068,428.20/x
  3. Step 3: Cross multiply
    3,889,761.80x = 5,832,018.30 × 2,068,428.20
  4. Step 4: Simplify right side
    3,889,761.80x = 12,063,111,114,636.06
  5. Step 5: Solve for x
    x = 12,063,111,114,636.06/3,889,761.80
  6. Step 6: Final answer
    x = 3,101,246.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.