Finding the Fourth Proportional to 7,220,197.62, 10,828,009.87 and 2,361,381.48
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Solution
The fourth proportional to 7,220,197.62, 10,828,009.87 and 2,361,381.48 is: 3,541,324.39
Step by Step Solution
- Step 1: Write the proportion equation
7,220,197.62 : 10,828,009.87 = 2,361,381.48 : x - Step 2: Convert to fraction form
7,220,197.62/10,828,009.87 = 2,361,381.48/x - Step 3: Cross multiply
7,220,197.62x = 10,828,009.87 × 2,361,381.48 - Step 4: Simplify right side
7,220,197.62x = 25,569,061,966,371.75 - Step 5: Solve for x
x = 25,569,061,966,371.75/7,220,197.62 - Step 6: Final answer
x = 3,541,324.39
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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.