Home / 2,801,126.09-4,201,665.54-779,364.19

Finding the Fourth Proportional to 2,801,126.09, 4,201,665.54 and 779,364.19

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Solution

The fourth proportional to 2,801,126.09, 4,201,665.54 and 779,364.19 is: 1,169,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,126.09 : 4,201,665.54 = 779,364.19 : x
  2. Step 2: Convert to fraction form
    2,801,126.09/4,201,665.54 = 779,364.19/x
  3. Step 3: Cross multiply
    2,801,126.09x = 4,201,665.54 × 779,364.19
  4. Step 4: Simplify right side
    2,801,126.09x = 3,274,627,649,728.85
  5. Step 5: Solve for x
    x = 3,274,627,649,728.85/2,801,126.09
  6. Step 6: Final answer
    x = 1,169,039.72

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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.