Finding the Fourth Proportional to 4,992,378.54, 6,887,294.22 and 2,926,346.77
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Solution
The fourth proportional to 4,992,378.54, 6,887,294.22 and 2,926,346.77 is: 4,037,075.92
Step by Step Solution
- Step 1: Write the proportion equation
4,992,378.54 : 6,887,294.22 = 2,926,346.77 : x - Step 2: Convert to fraction form
4,992,378.54/6,887,294.22 = 2,926,346.77/x - Step 3: Cross multiply
4,992,378.54x = 6,887,294.22 × 2,926,346.77 - Step 4: Simplify right side
4,992,378.54x = 20,154,611,194,736.67 - Step 5: Solve for x
x = 20,154,611,194,736.67/4,992,378.54 - Step 6: Final answer
x = 4,037,075.92
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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.