Finding the Fourth Proportional to 6,357,943.26, 8,797,065.66 and 5,543,843.40
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Solution
The fourth proportional to 6,357,943.26, 8,797,065.66 and 5,543,843.40 is: 7,670,649.52
Step by Step Solution
- Step 1: Write the proportion equation
6,357,943.26 : 8,797,065.66 = 5,543,843.40 : x - Step 2: Convert to fraction form
6,357,943.26/8,797,065.66 = 5,543,843.40/x - Step 3: Cross multiply
6,357,943.26x = 8,797,065.66 × 5,543,843.40 - Step 4: Simplify right side
6,357,943.26x = 48,769,554,398,557.65 - Step 5: Solve for x
x = 48,769,554,398,557.65/6,357,943.26 - Step 6: Final answer
x = 7,670,649.52
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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.