Finding the Fourth Proportional to 4,640,020.98, 6,957,781.29 and 2,721,559.08
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Solution
The fourth proportional to 4,640,020.98, 6,957,781.29 and 2,721,559.08 is: 4,081,018.80
Step by Step Solution
- Step 1: Write the proportion equation
4,640,020.98 : 6,957,781.29 = 2,721,559.08 : x - Step 2: Convert to fraction form
4,640,020.98/6,957,781.29 = 2,721,559.08/x - Step 3: Cross multiply
4,640,020.98x = 6,957,781.29 × 2,721,559.08 - Step 4: Simplify right side
4,640,020.98x = 18,936,012,846,453.61 - Step 5: Solve for x
x = 18,936,012,846,453.61/4,640,020.98 - Step 6: Final answer
x = 4,081,018.80
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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.