Home / 2,819,473.58-3,890,863.70-1,530,313.90

Finding the Fourth Proportional to 2,819,473.58, 3,890,863.70 and 1,530,313.90

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Solution

The fourth proportional to 2,819,473.58, 3,890,863.70 and 1,530,313.90 is: 2,111,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,473.58 : 3,890,863.70 = 1,530,313.90 : x
  2. Step 2: Convert to fraction form
    2,819,473.58/3,890,863.70 = 1,530,313.90/x
  3. Step 3: Cross multiply
    2,819,473.58x = 3,890,863.70 × 1,530,313.90
  4. Step 4: Simplify right side
    2,819,473.58x = 5,954,242,803,115.43
  5. Step 5: Solve for x
    x = 5,954,242,803,115.43/2,819,473.58
  6. Step 6: Final answer
    x = 2,111,827.84

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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.