Finding the Fourth Proportional to 2,235,866.24, 3,085,495.92 and 1,217,270.99
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Solution
The fourth proportional to 2,235,866.24, 3,085,495.92 and 1,217,270.99 is: 1,679,834.24
Step by Step Solution
- Step 1: Write the proportion equation
2,235,866.24 : 3,085,495.92 = 1,217,270.99 : x - Step 2: Convert to fraction form
2,235,866.24/3,085,495.92 = 1,217,270.99/x - Step 3: Cross multiply
2,235,866.24x = 3,085,495.92 × 1,217,270.99 - Step 4: Simplify right side
2,235,866.24x = 3,755,884,660,113.61 - Step 5: Solve for x
x = 3,755,884,660,113.61/2,235,866.24 - Step 6: Final answer
x = 1,679,834.24
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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.