Finding the Fourth Proportional to 6,487,391.68, 8,952,442.72 and 3,586,707.84
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Solution
The fourth proportional to 6,487,391.68, 8,952,442.72 and 3,586,707.84 is: 4,949,569.58
Step by Step Solution
- Step 1: Write the proportion equation
6,487,391.68 : 8,952,442.72 = 3,586,707.84 : x - Step 2: Convert to fraction form
6,487,391.68/8,952,442.72 = 3,586,707.84/x - Step 3: Cross multiply
6,487,391.68x = 8,952,442.72 × 3,586,707.84 - Step 4: Simplify right side
6,487,391.68x = 32,109,796,490,974.93 - Step 5: Solve for x
x = 32,109,796,490,974.93/6,487,391.68 - Step 6: Final answer
x = 4,949,569.58
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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.