Finding the Fourth Proportional to 5,409,218.03, 8,100,946.75 and 3,129,938.93
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Solution
The fourth proportional to 5,409,218.03, 8,100,946.75 and 3,129,938.93 is: 4,687,455.46
Step by Step Solution
- Step 1: Write the proportion equation
5,409,218.03 : 8,100,946.75 = 3,129,938.93 : x - Step 2: Convert to fraction form
5,409,218.03/8,100,946.75 = 3,129,938.93/x - Step 3: Cross multiply
5,409,218.03x = 8,100,946.75 × 3,129,938.93 - Step 4: Simplify right side
5,409,218.03x = 25,355,468,587,032.29 - Step 5: Solve for x
x = 25,355,468,587,032.29/5,409,218.03 - Step 6: Final answer
x = 4,687,455.46
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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.