Finding the Fourth Proportional to 2,235,663.79, 3,353,990.49 and 815,715.77
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Solution
The fourth proportional to 2,235,663.79, 3,353,990.49 and 815,715.77 is: 1,223,754.19
Step by Step Solution
- Step 1: Write the proportion equation
2,235,663.79 : 3,353,990.49 = 815,715.77 : x - Step 2: Convert to fraction form
2,235,663.79/3,353,990.49 = 815,715.77/x - Step 3: Cross multiply
2,235,663.79x = 3,353,990.49 × 815,715.77 - Step 4: Simplify right side
2,235,663.79x = 2,735,902,918,353.08 - Step 5: Solve for x
x = 2,735,902,918,353.08/2,235,663.79 - Step 6: Final answer
x = 1,223,754.19
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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.