Finding the Fourth Proportional to 6,768,621, 9,340,697.52 and 3,712,843.08
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Solution
The fourth proportional to 6,768,621, 9,340,697.52 and 3,712,843.08 is: 5,123,723.75
Step by Step Solution
- Step 1: Write the proportion equation
6,768,621 : 9,340,697.52 = 3,712,843.08 : x - Step 2: Convert to fraction form
6,768,621/9,340,697.52 = 3,712,843.08/x - Step 3: Cross multiply
6,768,621x = 9,340,697.52 × 3,712,843.08 - Step 4: Simplify right side
6,768,621x = 34,680,544,149,505.16 - Step 5: Solve for x
x = 34,680,544,149,505.16/6,768,621 - Step 6: Final answer
x = 5,123,723.75
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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.