Home / 4,678,822.20-7,018,902.90-1,440,633.90

Finding the Fourth Proportional to 4,678,822.20, 7,018,902.90 and 1,440,633.90

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Solution

The fourth proportional to 4,678,822.20, 7,018,902.90 and 1,440,633.90 is: 2,161,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,822.20 : 7,018,902.90 = 1,440,633.90 : x
  2. Step 2: Convert to fraction form
    4,678,822.20/7,018,902.90 = 1,440,633.90/x
  3. Step 3: Cross multiply
    4,678,822.20x = 7,018,902.90 × 1,440,633.90
  4. Step 4: Simplify right side
    4,678,822.20x = 10,111,669,458,548.31
  5. Step 5: Solve for x
    x = 10,111,669,458,548.31/4,678,822.20
  6. Step 6: Final answer
    x = 2,161,157.02

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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.