Finding the Fourth Proportional to 2,298,849.39, 3,171,926.79 and 1,331,920.80
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Solution
The fourth proportional to 2,298,849.39, 3,171,926.79 and 1,331,920.80 is: 1,837,769.49
Step by Step Solution
- Step 1: Write the proportion equation
2,298,849.39 : 3,171,926.79 = 1,331,920.80 : x - Step 2: Convert to fraction form
2,298,849.39/3,171,926.79 = 1,331,920.80/x - Step 3: Cross multiply
2,298,849.39x = 3,171,926.79 × 1,331,920.80 - Step 4: Simplify right side
2,298,849.39x = 4,224,755,267,678.23 - Step 5: Solve for x
x = 4,224,755,267,678.23/2,298,849.39 - Step 6: Final answer
x = 1,837,769.49
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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.