Home / 6,248,812.10-9,373,218.15-1,989,410.90

Finding the Fourth Proportional to 6,248,812.10, 9,373,218.15 and 1,989,410.90

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Solution

The fourth proportional to 6,248,812.10, 9,373,218.15 and 1,989,410.90 is: 2,984,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248,812.10 : 9,373,218.15 = 1,989,410.90 : x
  2. Step 2: Convert to fraction form
    6,248,812.10/9,373,218.15 = 1,989,410.90/x
  3. Step 3: Cross multiply
    6,248,812.10x = 9,373,218.15 × 1,989,410.90
  4. Step 4: Simplify right side
    6,248,812.10x = 18,647,182,355,687.84
  5. Step 5: Solve for x
    x = 18,647,182,355,687.84/6,248,812.10
  6. Step 6: Final answer
    x = 2,984,116.35

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Double scale
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Similar ratio
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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.