Finding the Fourth Proportional to 2,428,942.49, 3,644,674.67 and 990,681.08
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Solution
The fourth proportional to 2,428,942.49, 3,644,674.67 and 990,681.08 is: 1,486,535.91
Step by Step Solution
- Step 1: Write the proportion equation
2,428,942.49 : 3,644,674.67 = 990,681.08 : x - Step 2: Convert to fraction form
2,428,942.49/3,644,674.67 = 990,681.08/x - Step 3: Cross multiply
2,428,942.49x = 3,644,674.67 × 990,681.08 - Step 4: Simplify right side
2,428,942.49x = 3,610,710,215,147.47 - Step 5: Solve for x
x = 3,610,710,215,147.47/2,428,942.49 - Step 6: Final answer
x = 1,486,535.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.