Finding the Fourth Proportional to 4,889,731.20, 7,328,691.90 and 2,492,341.80
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Solution
The fourth proportional to 4,889,731.20, 7,328,691.90 and 2,492,341.80 is: 3,735,502.92
Step by Step Solution
- Step 1: Write the proportion equation
4,889,731.20 : 7,328,691.90 = 2,492,341.80 : x - Step 2: Convert to fraction form
4,889,731.20/7,328,691.90 = 2,492,341.80/x - Step 3: Cross multiply
4,889,731.20x = 7,328,691.90 × 2,492,341.80 - Step 4: Simplify right side
4,889,731.20x = 18,265,605,161,691.42 - Step 5: Solve for x
x = 18,265,605,161,691.42/4,889,731.20 - Step 6: Final answer
x = 3,735,502.92
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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.