Finding the Fourth Proportional to 3,824,154.09, 5,737,282.20 and 1,128,479.58
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Solution
The fourth proportional to 3,824,154.09, 5,737,282.20 and 1,128,479.58 is: 1,693,029.53
Step by Step Solution
- Step 1: Write the proportion equation
3,824,154.09 : 5,737,282.20 = 1,128,479.58 : x - Step 2: Convert to fraction form
3,824,154.09/5,737,282.20 = 1,128,479.58/x - Step 3: Cross multiply
3,824,154.09x = 5,737,282.20 × 1,128,479.58 - Step 4: Simplify right side
3,824,154.09x = 6,474,405,807,397.48 - Step 5: Solve for x
x = 6,474,405,807,397.48/3,824,154.09 - Step 6: Final answer
x = 1,693,029.53
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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.