Finding the Fourth Proportional to 4,638,521.80, 6,957,782.70 and 2,243,513.80
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Solution
The fourth proportional to 4,638,521.80, 6,957,782.70 and 2,243,513.80 is: 3,365,270.70
Step by Step Solution
- Step 1: Write the proportion equation
4,638,521.80 : 6,957,782.70 = 2,243,513.80 : x - Step 2: Convert to fraction form
4,638,521.80/6,957,782.70 = 2,243,513.80/x - Step 3: Cross multiply
4,638,521.80x = 6,957,782.70 × 2,243,513.80 - Step 4: Simplify right side
4,638,521.80x = 15,609,881,504,851.26 - Step 5: Solve for x
x = 15,609,881,504,851.26/4,638,521.80 - Step 6: Final answer
x = 3,365,270.70
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1.5x scale
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.