Home / 2,020,861-2,788,788.44-1,115,443.24

Finding the Fourth Proportional to 2,020,861, 2,788,788.44 and 1,115,443.24

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Solution

The fourth proportional to 2,020,861, 2,788,788.44 and 1,115,443.24 is: 1,539,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,861 : 2,788,788.44 = 1,115,443.24 : x
  2. Step 2: Convert to fraction form
    2,020,861/2,788,788.44 = 1,115,443.24/x
  3. Step 3: Cross multiply
    2,020,861x = 2,788,788.44 × 1,115,443.24
  4. Step 4: Simplify right side
    2,020,861x = 3,110,735,213,188.15
  5. Step 5: Solve for x
    x = 3,110,735,213,188.15/2,020,861
  6. Step 6: Final answer
    x = 1,539,311.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.