Finding the Fourth Proportional to 1,473,361.18, 2,209,823.07 and 408,292.18
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Solution
The fourth proportional to 1,473,361.18, 2,209,823.07 and 408,292.18 is: 612,377.66
Step by Step Solution
- Step 1: Write the proportion equation
1,473,361.18 : 2,209,823.07 = 408,292.18 : x - Step 2: Convert to fraction form
1,473,361.18/2,209,823.07 = 408,292.18/x - Step 3: Cross multiply
1,473,361.18x = 2,209,823.07 × 408,292.18 - Step 4: Simplify right side
1,473,361.18x = 902,253,478,664.59 - Step 5: Solve for x
x = 902,253,478,664.59/1,473,361.18 - Step 6: Final answer
x = 612,377.66
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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.