Home / 4,554,000.20-6,831,000.30-1,188,207.20

Finding the Fourth Proportional to 4,554,000.20, 6,831,000.30 and 1,188,207.20

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Solution

The fourth proportional to 4,554,000.20, 6,831,000.30 and 1,188,207.20 is: 1,782,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554,000.20 : 6,831,000.30 = 1,188,207.20 : x
  2. Step 2: Convert to fraction form
    4,554,000.20/6,831,000.30 = 1,188,207.20/x
  3. Step 3: Cross multiply
    4,554,000.20x = 6,831,000.30 × 1,188,207.20
  4. Step 4: Simplify right side
    4,554,000.20x = 8,116,643,739,662.16
  5. Step 5: Solve for x
    x = 8,116,643,739,662.16/4,554,000.20
  6. Step 6: Final answer
    x = 1,782,310.80

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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.