Home / 2,819,409.12-3,890,788.43-1,530,249.67

Finding the Fourth Proportional to 2,819,409.12, 3,890,788.43 and 1,530,249.67

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Solution

The fourth proportional to 2,819,409.12, 3,890,788.43 and 1,530,249.67 is: 2,111,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,409.12 : 3,890,788.43 = 1,530,249.67 : x
  2. Step 2: Convert to fraction form
    2,819,409.12/3,890,788.43 = 1,530,249.67/x
  3. Step 3: Cross multiply
    2,819,409.12x = 3,890,788.43 × 1,530,249.67
  4. Step 4: Simplify right side
    2,819,409.12x = 5,953,877,708,259.56
  5. Step 5: Solve for x
    x = 5,953,877,708,259.56/2,819,409.12
  6. Step 6: Final answer
    x = 2,111,746.63

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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.