Home / 4,749,378.30-7,123,520.70-1,383,585.30

Finding the Fourth Proportional to 4,749,378.30, 7,123,520.70 and 1,383,585.30

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Solution

The fourth proportional to 4,749,378.30, 7,123,520.70 and 1,383,585.30 is: 2,075,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749,378.30 : 7,123,520.70 = 1,383,585.30 : x
  2. Step 2: Convert to fraction form
    4,749,378.30/7,123,520.70 = 1,383,585.30/x
  3. Step 3: Cross multiply
    4,749,378.30x = 7,123,520.70 × 1,383,585.30
  4. Step 4: Simplify right side
    4,749,378.30x = 9,855,998,524,765.71
  5. Step 5: Solve for x
    x = 9,855,998,524,765.71/4,749,378.30
  6. Step 6: Final answer
    x = 2,075,218.67

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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.