Finding the Fourth Proportional to 2,931,889.74, 4,397,666.12 and 1,741,374.06
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Solution
The fourth proportional to 2,931,889.74, 4,397,666.12 and 1,741,374.06 is: 2,611,961.02
Step by Step Solution
- Step 1: Write the proportion equation
2,931,889.74 : 4,397,666.12 = 1,741,374.06 : x - Step 2: Convert to fraction form
2,931,889.74/4,397,666.12 = 1,741,374.06/x - Step 3: Cross multiply
2,931,889.74x = 4,397,666.12 × 1,741,374.06 - Step 4: Simplify right side
2,931,889.74x = 7,657,981,705,908.85 - Step 5: Solve for x
x = 7,657,981,705,908.85/2,931,889.74 - Step 6: Final answer
x = 2,611,961.02
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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.