Home / 4,885,439.05-7,328,220.90-1,291,174.93

Finding the Fourth Proportional to 4,885,439.05, 7,328,220.90 and 1,291,174.93

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Solution

The fourth proportional to 4,885,439.05, 7,328,220.90 and 1,291,174.93 is: 1,936,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,439.05 : 7,328,220.90 = 1,291,174.93 : x
  2. Step 2: Convert to fraction form
    4,885,439.05/7,328,220.90 = 1,291,174.93/x
  3. Step 3: Cross multiply
    4,885,439.05x = 7,328,220.90 × 1,291,174.93
  4. Step 4: Simplify right side
    4,885,439.05x = 9,462,015,107,582.04
  5. Step 5: Solve for x
    x = 9,462,015,107,582.04/4,885,439.05
  6. Step 6: Final answer
    x = 1,936,778.87

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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.