Finding the Fourth Proportional to 6,268,807.18, 9,403,212.75 and 4,138,393.07
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Solution
The fourth proportional to 6,268,807.18, 9,403,212.75 and 4,138,393.07 is: 6,207,590.91
Step by Step Solution
- Step 1: Write the proportion equation
6,268,807.18 : 9,403,212.75 = 4,138,393.07 : x - Step 2: Convert to fraction form
6,268,807.18/9,403,212.75 = 4,138,393.07/x - Step 3: Cross multiply
6,268,807.18x = 9,403,212.75 × 4,138,393.07 - Step 4: Simplify right side
6,268,807.18x = 38,914,190,488,324.70 - Step 5: Solve for x
x = 38,914,190,488,324.70/6,268,807.18 - Step 6: Final answer
x = 6,207,590.91
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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.