Finding the Fourth Proportional to 6,187,816.26, 8,539,057.76 and 3,434,342.15
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Solution
The fourth proportional to 6,187,816.26, 8,539,057.76 and 3,434,342.15 is: 4,739,320.75
Step by Step Solution
- Step 1: Write the proportion equation
6,187,816.26 : 8,539,057.76 = 3,434,342.15 : x - Step 2: Convert to fraction form
6,187,816.26/8,539,057.76 = 3,434,342.15/x - Step 3: Cross multiply
6,187,816.26x = 8,539,057.76 × 3,434,342.15 - Step 4: Simplify right side
6,187,816.26x = 29,326,045,990,628.52 - Step 5: Solve for x
x = 29,326,045,990,628.52/6,187,816.26 - Step 6: Final answer
x = 4,739,320.75
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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.