Home / 2,680,068.40-4,018,720.20-996,305.20

Finding the Fourth Proportional to 2,680,068.40, 4,018,720.20 and 996,305.20

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Solution

The fourth proportional to 2,680,068.40, 4,018,720.20 and 996,305.20 is: 1,493,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,068.40 : 4,018,720.20 = 996,305.20 : x
  2. Step 2: Convert to fraction form
    2,680,068.40/4,018,720.20 = 996,305.20/x
  3. Step 3: Cross multiply
    2,680,068.40x = 4,018,720.20 × 996,305.20
  4. Step 4: Simplify right side
    2,680,068.40x = 4,003,871,832,605.04
  5. Step 5: Solve for x
    x = 4,003,871,832,605.04/2,680,068.40
  6. Step 6: Final answer
    x = 1,493,943.90

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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.