Finding the Fourth Proportional to 6,931,355.70, 10,397,728.35 and 2,381,805.30
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Solution
The fourth proportional to 6,931,355.70, 10,397,728.35 and 2,381,805.30 is: 3,572,946.70
Step by Step Solution
- Step 1: Write the proportion equation
6,931,355.70 : 10,397,728.35 = 2,381,805.30 : x - Step 2: Convert to fraction form
6,931,355.70/10,397,728.35 = 2,381,805.30/x - Step 3: Cross multiply
6,931,355.70x = 10,397,728.35 × 2,381,805.30 - Step 4: Simplify right side
6,931,355.70x = 24,765,364,491,990.25 - Step 5: Solve for x
x = 24,765,364,491,990.25/6,931,355.70 - Step 6: Final answer
x = 3,572,946.70
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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.