Home / 2,993,812.20-4,490,280.90-863,674.20

Finding the Fourth Proportional to 2,993,812.20, 4,490,280.90 and 863,674.20

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Solution

The fourth proportional to 2,993,812.20, 4,490,280.90 and 863,674.20 is: 1,295,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,812.20 : 4,490,280.90 = 863,674.20 : x
  2. Step 2: Convert to fraction form
    2,993,812.20/4,490,280.90 = 863,674.20/x
  3. Step 3: Cross multiply
    2,993,812.20x = 4,490,280.90 × 863,674.20
  4. Step 4: Simplify right side
    2,993,812.20x = 3,878,139,764,082.78
  5. Step 5: Solve for x
    x = 3,878,139,764,082.78/2,993,812.20
  6. Step 6: Final answer
    x = 1,295,385.12

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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.