Finding the Fourth Proportional to 4,888,901.21, 6,746,553.99 and 2,713,388.22
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Solution
The fourth proportional to 4,888,901.21, 6,746,553.99 and 2,713,388.22 is: 3,744,403.77
Step by Step Solution
- Step 1: Write the proportion equation
4,888,901.21 : 6,746,553.99 = 2,713,388.22 : x - Step 2: Convert to fraction form
4,888,901.21/6,746,553.99 = 2,713,388.22/x - Step 3: Cross multiply
4,888,901.21x = 6,746,553.99 × 2,713,388.22 - Step 4: Simplify right side
4,888,901.21x = 18,306,020,122,060 - Step 5: Solve for x
x = 18,306,020,122,060/4,888,901.21 - Step 6: Final answer
x = 3,744,403.77
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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.