Finding the Fourth Proportional to 3,129,758.99, 4,319,092.77 and 1,734,343.93
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Solution
The fourth proportional to 3,129,758.99, 4,319,092.77 and 1,734,343.93 is: 2,393,408.68
Step by Step Solution
- Step 1: Write the proportion equation
3,129,758.99 : 4,319,092.77 = 1,734,343.93 : x - Step 2: Convert to fraction form
3,129,758.99/4,319,092.77 = 1,734,343.93/x - Step 3: Cross multiply
3,129,758.99x = 4,319,092.77 × 1,734,343.93 - Step 4: Simplify right side
3,129,758.99x = 7,490,792,320,084.67 - Step 5: Solve for x
x = 7,490,792,320,084.67/3,129,758.99 - Step 6: Final answer
x = 2,393,408.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.