Finding the Fourth Proportional to 3,585,220.80, 5,378,781.60 and 1,562,596.80
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Solution
The fourth proportional to 3,585,220.80, 5,378,781.60 and 1,562,596.80 is: 2,344,309.43
Step by Step Solution
- Step 1: Write the proportion equation
3,585,220.80 : 5,378,781.60 = 1,562,596.80 : x - Step 2: Convert to fraction form
3,585,220.80/5,378,781.60 = 1,562,596.80/x - Step 3: Cross multiply
3,585,220.80x = 5,378,781.60 × 1,562,596.80 - Step 4: Simplify right side
3,585,220.80x = 8,404,866,916,058.88 - Step 5: Solve for x
x = 8,404,866,916,058.88/3,585,220.80 - Step 6: Final answer
x = 2,344,309.43
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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.