Home / 2,438,400.84-3,364,674.30-1,405,947.48

Finding the Fourth Proportional to 2,438,400.84, 3,364,674.30 and 1,405,947.48

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Solution

The fourth proportional to 2,438,400.84, 3,364,674.30 and 1,405,947.48 is: 1,940,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,400.84 : 3,364,674.30 = 1,405,947.48 : x
  2. Step 2: Convert to fraction form
    2,438,400.84/3,364,674.30 = 1,405,947.48/x
  3. Step 3: Cross multiply
    2,438,400.84x = 3,364,674.30 × 1,405,947.48
  4. Step 4: Simplify right side
    2,438,400.84x = 4,730,555,353,105.76
  5. Step 5: Solve for x
    x = 4,730,555,353,105.76/2,438,400.84
  6. Step 6: Final answer
    x = 1,940,023.67

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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.