Home / 4,345,110.90-6,519,999.15-1,821,021.30

Finding the Fourth Proportional to 4,345,110.90, 6,519,999.15 and 1,821,021.30

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Solution

The fourth proportional to 4,345,110.90, 6,519,999.15 and 1,821,021.30 is: 2,732,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,110.90 : 6,519,999.15 = 1,821,021.30 : x
  2. Step 2: Convert to fraction form
    4,345,110.90/6,519,999.15 = 1,821,021.30/x
  3. Step 3: Cross multiply
    4,345,110.90x = 6,519,999.15 × 1,821,021.30
  4. Step 4: Simplify right side
    4,345,110.90x = 11,873,057,328,131.90
  5. Step 5: Solve for x
    x = 11,873,057,328,131.90/4,345,110.90
  6. Step 6: Final answer
    x = 2,732,509.62

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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.