Finding the Fourth Proportional to 6,664,538.36, 9,197,062.98 and 3,608,752.62
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Solution
The fourth proportional to 6,664,538.36, 9,197,062.98 and 3,608,752.62 is: 4,980,078.64
Step by Step Solution
- Step 1: Write the proportion equation
6,664,538.36 : 9,197,062.98 = 3,608,752.62 : x - Step 2: Convert to fraction form
6,664,538.36/9,197,062.98 = 3,608,752.62/x - Step 3: Cross multiply
6,664,538.36x = 9,197,062.98 × 3,608,752.62 - Step 4: Simplify right side
6,664,538.36x = 33,189,925,125,380.01 - Step 5: Solve for x
x = 33,189,925,125,380.01/6,664,538.36 - Step 6: Final answer
x = 4,980,078.64
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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.