Home / 2,738,962.70-4,108,444.05-1,318,676.30

Finding the Fourth Proportional to 2,738,962.70, 4,108,444.05 and 1,318,676.30

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Solution

The fourth proportional to 2,738,962.70, 4,108,444.05 and 1,318,676.30 is: 1,978,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,962.70 : 4,108,444.05 = 1,318,676.30 : x
  2. Step 2: Convert to fraction form
    2,738,962.70/4,108,444.05 = 1,318,676.30/x
  3. Step 3: Cross multiply
    2,738,962.70x = 4,108,444.05 × 1,318,676.30
  4. Step 4: Simplify right side
    2,738,962.70x = 5,417,707,798,611.01
  5. Step 5: Solve for x
    x = 5,417,707,798,611.01/2,738,962.70
  6. Step 6: Final answer
    x = 1,978,014.45

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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.