Finding the Fourth Proportional to 5,355,129.40, 8,038,914.90 and 3,227,615.80
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Solution
The fourth proportional to 5,355,129.40, 8,038,914.90 and 3,227,615.80 is: 4,845,173.07
Step by Step Solution
- Step 1: Write the proportion equation
5,355,129.40 : 8,038,914.90 = 3,227,615.80 : x - Step 2: Convert to fraction form
5,355,129.40/8,038,914.90 = 3,227,615.80/x - Step 3: Cross multiply
5,355,129.40x = 8,038,914.90 × 3,227,615.80 - Step 4: Simplify right side
5,355,129.40x = 25,946,528,746,095.42 - Step 5: Solve for x
x = 25,946,528,746,095.42/5,355,129.40 - Step 6: Final answer
x = 4,845,173.07
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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.