Finding the Fourth Proportional to 2,411,243.09, 3,330,277.09 and 1,587,996.72
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Solution
The fourth proportional to 2,411,243.09, 3,330,277.09 and 1,587,996.72 is: 2,193,254.22
Step by Step Solution
- Step 1: Write the proportion equation
2,411,243.09 : 3,330,277.09 = 1,587,996.72 : x - Step 2: Convert to fraction form
2,411,243.09/3,330,277.09 = 1,587,996.72/x - Step 3: Cross multiply
2,411,243.09x = 3,330,277.09 × 1,587,996.72 - Step 4: Simplify right side
2,411,243.09x = 5,288,469,091,641.15 - Step 5: Solve for x
x = 5,288,469,091,641.15/2,411,243.09 - Step 6: Final answer
x = 2,193,254.22
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.