Finding the Fourth Proportional to 3,916,393.74, 5,870,549.25 and 1,643,238.09
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Solution
The fourth proportional to 3,916,393.74, 5,870,549.25 and 1,643,238.09 is: 2,463,161.46
Step by Step Solution
- Step 1: Write the proportion equation
3,916,393.74 : 5,870,549.25 = 1,643,238.09 : x - Step 2: Convert to fraction form
3,916,393.74/5,870,549.25 = 1,643,238.09/x - Step 3: Cross multiply
3,916,393.74x = 5,870,549.25 × 1,643,238.09 - Step 4: Simplify right side
3,916,393.74x = 9,646,710,136,820.93 - Step 5: Solve for x
x = 9,646,710,136,820.93/3,916,393.74 - Step 6: Final answer
x = 2,463,161.46
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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.