Home / 4,749,313.30-7,123,423.20-1,383,520.30

Finding the Fourth Proportional to 4,749,313.30, 7,123,423.20 and 1,383,520.30

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Solution

The fourth proportional to 4,749,313.30, 7,123,423.20 and 1,383,520.30 is: 2,075,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749,313.30 : 7,123,423.20 = 1,383,520.30 : x
  2. Step 2: Convert to fraction form
    4,749,313.30/7,123,423.20 = 1,383,520.30/x
  3. Step 3: Cross multiply
    4,749,313.30x = 7,123,423.20 × 1,383,520.30
  4. Step 4: Simplify right side
    4,749,313.30x = 9,855,400,602,690.96
  5. Step 5: Solve for x
    x = 9,855,400,602,690.96/4,749,313.30
  6. Step 6: Final answer
    x = 2,075,121.18

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1.5x scale

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.