Finding the Fourth Proportional to 6,990,574.56, 9,644,685.84 and 5,699,194.80
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Solution
The fourth proportional to 6,990,574.56, 9,644,685.84 and 5,699,194.80 is: 7,863,007.96
Step by Step Solution
- Step 1: Write the proportion equation
6,990,574.56 : 9,644,685.84 = 5,699,194.80 : x - Step 2: Convert to fraction form
6,990,574.56/9,644,685.84 = 5,699,194.80/x - Step 3: Cross multiply
6,990,574.56x = 9,644,685.84 × 5,699,194.80 - Step 4: Simplify right side
6,990,574.56x = 54,966,943,386,961.63 - Step 5: Solve for x
x = 54,966,943,386,961.63/6,990,574.56 - Step 6: Final answer
x = 7,863,007.96
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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.