Finding the Fourth Proportional to 5,486,963.94, 7,554,734.90 and 4,658,398.66
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Solution
The fourth proportional to 5,486,963.94, 7,554,734.90 and 4,658,398.66 is: 6,413,923.50
Step by Step Solution
- Step 1: Write the proportion equation
5,486,963.94 : 7,554,734.90 = 4,658,398.66 : x - Step 2: Convert to fraction form
5,486,963.94/7,554,734.90 = 4,658,398.66/x - Step 3: Cross multiply
5,486,963.94x = 7,554,734.90 × 4,658,398.66 - Step 4: Simplify right side
5,486,963.94x = 35,192,966,964,639.15 - Step 5: Solve for x
x = 35,192,966,964,639.15/5,486,963.94 - Step 6: Final answer
x = 6,413,923.50
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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.