Home / 5,235,021.90-7,852,707.81-1,448,187.66

Finding the Fourth Proportional to 5,235,021.90, 7,852,707.81 and 1,448,187.66

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Solution

The fourth proportional to 5,235,021.90, 7,852,707.81 and 1,448,187.66 is: 2,172,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235,021.90 : 7,852,707.81 = 1,448,187.66 : x
  2. Step 2: Convert to fraction form
    5,235,021.90/7,852,707.81 = 1,448,187.66/x
  3. Step 3: Cross multiply
    5,235,021.90x = 7,852,707.81 × 1,448,187.66
  4. Step 4: Simplify right side
    5,235,021.90x = 11,372,194,548,027.62
  5. Step 5: Solve for x
    x = 11,372,194,548,027.62/5,235,021.90
  6. Step 6: Final answer
    x = 2,172,329.89

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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.