Finding the Fourth Proportional to 3,057,730.80, 4,587,517.80 and 1,638,466.80
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Solution
The fourth proportional to 3,057,730.80, 4,587,517.80 and 1,638,466.80 is: 2,458,194.03
Step by Step Solution
- Step 1: Write the proportion equation
3,057,730.80 : 4,587,517.80 = 1,638,466.80 : x - Step 2: Convert to fraction form
3,057,730.80/4,587,517.80 = 1,638,466.80/x - Step 3: Cross multiply
3,057,730.80x = 4,587,517.80 × 1,638,466.80 - Step 4: Simplify right side
3,057,730.80x = 7,516,495,609,709.04 - Step 5: Solve for x
x = 7,516,495,609,709.04/3,057,730.80 - Step 6: Final answer
x = 2,458,194.03
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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.