Home / 4,119,901.60-6,179,863.92-1,280,428.96

Finding the Fourth Proportional to 4,119,901.60, 6,179,863.92 and 1,280,428.96

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Solution

The fourth proportional to 4,119,901.60, 6,179,863.92 and 1,280,428.96 is: 1,920,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,901.60 : 6,179,863.92 = 1,280,428.96 : x
  2. Step 2: Convert to fraction form
    4,119,901.60/6,179,863.92 = 1,280,428.96/x
  3. Step 3: Cross multiply
    4,119,901.60x = 6,179,863.92 × 1,280,428.96
  4. Step 4: Simplify right side
    4,119,901.60x = 7,912,876,732,027.12
  5. Step 5: Solve for x
    x = 7,912,876,732,027.12/4,119,901.60
  6. Step 6: Final answer
    x = 1,920,647.02

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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.