Finding the Fourth Proportional to 3,123,536.70, 4,681,805.85 and 1,776,344.70
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Solution
The fourth proportional to 3,123,536.70, 4,681,805.85 and 1,776,344.70 is: 2,662,527.07
Step by Step Solution
- Step 1: Write the proportion equation
3,123,536.70 : 4,681,805.85 = 1,776,344.70 : x - Step 2: Convert to fraction form
3,123,536.70/4,681,805.85 = 1,776,344.70/x - Step 3: Cross multiply
3,123,536.70x = 4,681,805.85 × 1,776,344.70 - Step 4: Simplify right side
3,123,536.70x = 8,316,501,008,076.49 - Step 5: Solve for x
x = 8,316,501,008,076.49/3,123,536.70 - Step 6: Final answer
x = 2,662,527.07
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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.