Home / 2,790,470.40-4,185,705.60-2,753,145.60

Finding the Fourth Proportional to 2,790,470.40, 4,185,705.60 and 2,753,145.60

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Solution

The fourth proportional to 2,790,470.40, 4,185,705.60 and 2,753,145.60 is: 4,129,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,470.40 : 4,185,705.60 = 2,753,145.60 : x
  2. Step 2: Convert to fraction form
    2,790,470.40/4,185,705.60 = 2,753,145.60/x
  3. Step 3: Cross multiply
    2,790,470.40x = 4,185,705.60 × 2,753,145.60
  4. Step 4: Simplify right side
    2,790,470.40x = 11,523,856,955,535.36
  5. Step 5: Solve for x
    x = 11,523,856,955,535.36/2,790,470.40
  6. Step 6: Final answer
    x = 4,129,718.40

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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.