Home / 5,282,821.86-7,290,321.06-2,991,429.06

Finding the Fourth Proportional to 5,282,821.86, 7,290,321.06 and 2,991,429.06

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Solution

The fourth proportional to 5,282,821.86, 7,290,321.06 and 2,991,429.06 is: 4,128,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282,821.86 : 7,290,321.06 = 2,991,429.06 : x
  2. Step 2: Convert to fraction form
    5,282,821.86/7,290,321.06 = 2,991,429.06/x
  3. Step 3: Cross multiply
    5,282,821.86x = 7,290,321.06 × 2,991,429.06
  4. Step 4: Simplify right side
    5,282,821.86x = 21,808,478,275,614.00
  5. Step 5: Solve for x
    x = 21,808,478,275,614.00/5,282,821.86
  6. Step 6: Final answer
    x = 4,128,187.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.