Finding the Fourth Proportional to 5,915,639.25, 8,163,582.17 and 3,199,385.25
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Solution
The fourth proportional to 5,915,639.25, 8,163,582.17 and 3,199,385.25 is: 4,415,151.65
Step by Step Solution
- Step 1: Write the proportion equation
5,915,639.25 : 8,163,582.17 = 3,199,385.25 : x - Step 2: Convert to fraction form
5,915,639.25/8,163,582.17 = 3,199,385.25/x - Step 3: Cross multiply
5,915,639.25x = 8,163,582.17 × 3,199,385.25 - Step 4: Simplify right side
5,915,639.25x = 26,118,444,365,864.07 - Step 5: Solve for x
x = 26,118,444,365,864.07/5,915,639.25 - Step 6: Final answer
x = 4,415,151.65
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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.