Finding the Fourth Proportional to 4,267,838.64, 6,401,750.66 and 1,992,600.48
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Solution
The fourth proportional to 4,267,838.64, 6,401,750.66 and 1,992,600.48 is: 2,988,897.31
Step by Step Solution
- Step 1: Write the proportion equation
4,267,838.64 : 6,401,750.66 = 1,992,600.48 : x - Step 2: Convert to fraction form
4,267,838.64/6,401,750.66 = 1,992,600.48/x - Step 3: Cross multiply
4,267,838.64x = 6,401,750.66 × 1,992,600.48 - Step 4: Simplify right side
4,267,838.64x = 12,756,131,437,956.32 - Step 5: Solve for x
x = 12,756,131,437,956.32/4,267,838.64 - Step 6: Final answer
x = 2,988,897.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.