Finding the Fourth Proportional to 2,318,931.74, 3,478,635.98 and 802,612.20
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Solution
The fourth proportional to 2,318,931.74, 3,478,635.98 and 802,612.20 is: 1,204,000.80
Step by Step Solution
- Step 1: Write the proportion equation
2,318,931.74 : 3,478,635.98 = 802,612.20 : x - Step 2: Convert to fraction form
2,318,931.74/3,478,635.98 = 802,612.20/x - Step 3: Cross multiply
2,318,931.74x = 3,478,635.98 × 802,612.20 - Step 4: Simplify right side
2,318,931.74x = 2,791,995,676,906.96 - Step 5: Solve for x
x = 2,791,995,676,906.96/2,318,931.74 - Step 6: Final answer
x = 1,204,000.80
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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.