Finding the Fourth Proportional to 6,198,586.63, 9,282,416.43 and 3,917,228.51
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Solution
The fourth proportional to 6,198,586.63, 9,282,416.43 and 3,917,228.51 is: 5,866,070.53
Step by Step Solution
- Step 1: Write the proportion equation
6,198,586.63 : 9,282,416.43 = 3,917,228.51 : x - Step 2: Convert to fraction form
6,198,586.63/9,282,416.43 = 3,917,228.51/x - Step 3: Cross multiply
6,198,586.63x = 9,282,416.43 × 3,917,228.51 - Step 4: Simplify right side
6,198,586.63x = 36,361,346,319,184.07 - Step 5: Solve for x
x = 36,361,346,319,184.07/6,198,586.63 - Step 6: Final answer
x = 5,866,070.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.