Finding the Fourth Proportional to 1,766,121.12, 2,660,982.12 and 1,597,854.96
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Solution
The fourth proportional to 1,766,121.12, 2,660,982.12 and 1,597,854.96 is: 2,407,458.60
Step by Step Solution
- Step 1: Write the proportion equation
1,766,121.12 : 2,660,982.12 = 1,597,854.96 : x - Step 2: Convert to fraction form
1,766,121.12/2,660,982.12 = 1,597,854.96/x - Step 3: Cross multiply
1,766,121.12x = 2,660,982.12 × 1,597,854.96 - Step 4: Simplify right side
1,766,121.12x = 4,251,863,478,913.32 - Step 5: Solve for x
x = 4,251,863,478,913.32/1,766,121.12 - Step 6: Final answer
x = 2,407,458.60
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.