Finding the Fourth Proportional to 6,815,913.19, 9,405,986.60 and 3,718,506.08
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Solution
The fourth proportional to 6,815,913.19, 9,405,986.60 and 3,718,506.08 is: 5,131,552.80
Step by Step Solution
- Step 1: Write the proportion equation
6,815,913.19 : 9,405,986.60 = 3,718,506.08 : x - Step 2: Convert to fraction form
6,815,913.19/9,405,986.60 = 3,718,506.08/x - Step 3: Cross multiply
6,815,913.19x = 9,405,986.60 × 3,718,506.08 - Step 4: Simplify right side
6,815,913.19x = 34,976,218,393,309.76 - Step 5: Solve for x
x = 34,976,218,393,309.76/6,815,913.19 - Step 6: Final answer
x = 5,131,552.80
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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.