Finding the Fourth Proportional to 5,207,479.27, 7,807,435.49 and 2,175,712.17
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Solution
The fourth proportional to 5,207,479.27, 7,807,435.49 and 2,175,712.17 is: 3,261,987.53
Step by Step Solution
- Step 1: Write the proportion equation
5,207,479.27 : 7,807,435.49 = 2,175,712.17 : x - Step 2: Convert to fraction form
5,207,479.27/7,807,435.49 = 2,175,712.17/x - Step 3: Cross multiply
5,207,479.27x = 7,807,435.49 × 2,175,712.17 - Step 4: Simplify right side
5,207,479.27x = 16,986,732,410,202.72 - Step 5: Solve for x
x = 16,986,732,410,202.72/5,207,479.27 - Step 6: Final answer
x = 3,261,987.53
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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.