Finding the Fourth Proportional to 2,912,385.39, 4,019,110.56 and 1,623,307.65
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Solution
The fourth proportional to 2,912,385.39, 4,019,110.56 and 1,623,307.65 is: 2,240,174.99
Step by Step Solution
- Step 1: Write the proportion equation
2,912,385.39 : 4,019,110.56 = 1,623,307.65 : x - Step 2: Convert to fraction form
2,912,385.39/4,019,110.56 = 1,623,307.65/x - Step 3: Cross multiply
2,912,385.39x = 4,019,110.56 × 1,623,307.65 - Step 4: Simplify right side
2,912,385.39x = 6,524,252,918,243.78 - Step 5: Solve for x
x = 6,524,252,918,243.78/2,912,385.39 - Step 6: Final answer
x = 2,240,174.99
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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.