Home / 4,827,142.80-7,238,575.80-1,631,401.20

Finding the Fourth Proportional to 4,827,142.80, 7,238,575.80 and 1,631,401.20

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Solution

The fourth proportional to 4,827,142.80, 7,238,575.80 and 1,631,401.20 is: 2,446,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827,142.80 : 7,238,575.80 = 1,631,401.20 : x
  2. Step 2: Convert to fraction form
    4,827,142.80/7,238,575.80 = 1,631,401.20/x
  3. Step 3: Cross multiply
    4,827,142.80x = 7,238,575.80 × 1,631,401.20
  4. Step 4: Simplify right side
    4,827,142.80x = 11,809,021,246,410.96
  5. Step 5: Solve for x
    x = 11,809,021,246,410.96/4,827,142.80
  6. Step 6: Final answer
    x = 2,446,379.10

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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.