Home / 4,831,680.12-7,242,205.72-1,990,242.24

Finding the Fourth Proportional to 4,831,680.12, 7,242,205.72 and 1,990,242.24

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Solution

The fourth proportional to 4,831,680.12, 7,242,205.72 and 1,990,242.24 is: 2,983,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831,680.12 : 7,242,205.72 = 1,990,242.24 : x
  2. Step 2: Convert to fraction form
    4,831,680.12/7,242,205.72 = 1,990,242.24/x
  3. Step 3: Cross multiply
    4,831,680.12x = 7,242,205.72 × 1,990,242.24
  4. Step 4: Simplify right side
    4,831,680.12x = 14,413,743,734,713.61
  5. Step 5: Solve for x
    x = 14,413,743,734,713.61/4,831,680.12
  6. Step 6: Final answer
    x = 2,983,174.25

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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.