Home / 6,781,077.05-10,171,694.85-1,988,862.50

Finding the Fourth Proportional to 6,781,077.05, 10,171,694.85 and 1,988,862.50

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Solution

The fourth proportional to 6,781,077.05, 10,171,694.85 and 1,988,862.50 is: 2,983,317.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,077.05 : 10,171,694.85 = 1,988,862.50 : x
  2. Step 2: Convert to fraction form
    6,781,077.05/10,171,694.85 = 1,988,862.50/x
  3. Step 3: Cross multiply
    6,781,077.05x = 10,171,694.85 × 1,988,862.50
  4. Step 4: Simplify right side
    6,781,077.05x = 20,230,102,466,579.12
  5. Step 5: Solve for x
    x = 20,230,102,466,579.12/6,781,077.05
  6. Step 6: Final answer
    x = 2,983,317.01

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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.