Finding the Fourth Proportional to 6,377,646.72, 9,566,504.64 and 1,889,961.60
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Solution
The fourth proportional to 6,377,646.72, 9,566,504.64 and 1,889,961.60 is: 2,834,952.64
Step by Step Solution
- Step 1: Write the proportion equation
6,377,646.72 : 9,566,504.64 = 1,889,961.60 : x - Step 2: Convert to fraction form
6,377,646.72/9,566,504.64 = 1,889,961.60/x - Step 3: Cross multiply
6,377,646.72x = 9,566,504.64 × 1,889,961.60 - Step 4: Simplify right side
6,377,646.72x = 18,080,326,415,821.82 - Step 5: Solve for x
x = 18,080,326,415,821.82/6,377,646.72 - Step 6: Final answer
x = 2,834,952.64
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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.