Home / 2,796,406.40-4,193,790.40-999,081.60

Finding the Fourth Proportional to 2,796,406.40, 4,193,790.40 and 999,081.60

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Solution

The fourth proportional to 2,796,406.40, 4,193,790.40 and 999,081.60 is: 1,498,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796,406.40 : 4,193,790.40 = 999,081.60 : x
  2. Step 2: Convert to fraction form
    2,796,406.40/4,193,790.40 = 999,081.60/x
  3. Step 3: Cross multiply
    2,796,406.40x = 4,193,790.40 × 999,081.60
  4. Step 4: Simplify right side
    2,796,406.40x = 4,189,938,822,896.64
  5. Step 5: Solve for x
    x = 4,189,938,822,896.64/2,796,406.40
  6. Step 6: Final answer
    x = 1,498,329.72

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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.