Finding the Fourth Proportional to 4,521,175.05, 6,781,106.48 and 1,325,968.05
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Solution
The fourth proportional to 4,521,175.05, 6,781,106.48 and 1,325,968.05 is: 1,988,759.65
Step by Step Solution
- Step 1: Write the proportion equation
4,521,175.05 : 6,781,106.48 = 1,325,968.05 : x - Step 2: Convert to fraction form
4,521,175.05/6,781,106.48 = 1,325,968.05/x - Step 3: Cross multiply
4,521,175.05x = 6,781,106.48 × 1,325,968.05 - Step 4: Simplify right side
4,521,175.05x = 8,991,530,529,498.12 - Step 5: Solve for x
x = 8,991,530,529,498.12/4,521,175.05 - Step 6: Final answer
x = 1,988,759.65
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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.