Finding the Fourth Proportional to 3,806,403.11, 5,252,350.46 and 2,174,916.14
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Solution
The fourth proportional to 3,806,403.11, 5,252,350.46 and 2,174,916.14 is: 3,001,106.68
Step by Step Solution
- Step 1: Write the proportion equation
3,806,403.11 : 5,252,350.46 = 2,174,916.14 : x - Step 2: Convert to fraction form
3,806,403.11/5,252,350.46 = 2,174,916.14/x - Step 3: Cross multiply
3,806,403.11x = 5,252,350.46 × 2,174,916.14 - Step 4: Simplify right side
3,806,403.11x = 11,423,421,791,839.90 - Step 5: Solve for x
x = 11,423,421,791,839.90/3,806,403.11 - Step 6: Final answer
x = 3,001,106.68
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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.