Finding the Fourth Proportional to 4,155,394.80, 6,233,092.20 and 1,315,729.20
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Solution
The fourth proportional to 4,155,394.80, 6,233,092.20 and 1,315,729.20 is: 1,973,593.80
Step by Step Solution
- Step 1: Write the proportion equation
4,155,394.80 : 6,233,092.20 = 1,315,729.20 : x - Step 2: Convert to fraction form
4,155,394.80/6,233,092.20 = 1,315,729.20/x - Step 3: Cross multiply
4,155,394.80x = 6,233,092.20 × 1,315,729.20 - Step 4: Simplify right side
4,155,394.80x = 8,201,061,413,832.24 - Step 5: Solve for x
x = 8,201,061,413,832.24/4,155,394.80 - Step 6: Final answer
x = 1,973,593.80
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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.