Finding the Fourth Proportional to 3,190,531.68, 4,786,701.84 and 1,298,630.88
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Solution
The fourth proportional to 3,190,531.68, 4,786,701.84 and 1,298,630.88 is: 1,948,314.40
Step by Step Solution
- Step 1: Write the proportion equation
3,190,531.68 : 4,786,701.84 = 1,298,630.88 : x - Step 2: Convert to fraction form
3,190,531.68/4,786,701.84 = 1,298,630.88/x - Step 3: Cross multiply
3,190,531.68x = 4,786,701.84 × 1,298,630.88 - Step 4: Simplify right side
3,190,531.68x = 6,216,158,822,776.82 - Step 5: Solve for x
x = 6,216,158,822,776.82/3,190,531.68 - Step 6: Final answer
x = 1,948,314.40
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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.