Finding the Fourth Proportional to 3,703,406.88, 5,553,957.21 and 1,306,689.99
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Solution
The fourth proportional to 3,703,406.88, 5,553,957.21 and 1,306,689.99 is: 1,959,628.13
Step by Step Solution
- Step 1: Write the proportion equation
3,703,406.88 : 5,553,957.21 = 1,306,689.99 : x - Step 2: Convert to fraction form
3,703,406.88/5,553,957.21 = 1,306,689.99/x - Step 3: Cross multiply
3,703,406.88x = 5,553,957.21 × 1,306,689.99 - Step 4: Simplify right side
3,703,406.88x = 7,257,300,291,195.33 - Step 5: Solve for x
x = 7,257,300,291,195.33/3,703,406.88 - Step 6: Final answer
x = 1,959,628.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.