Finding the Fourth Proportional to 2,812,814.29, 3,881,702.35 and 1,523,654.68
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Solution
The fourth proportional to 2,812,814.29, 3,881,702.35 and 1,523,654.68 is: 2,102,653.55
Step by Step Solution
- Step 1: Write the proportion equation
2,812,814.29 : 3,881,702.35 = 1,523,654.68 : x - Step 2: Convert to fraction form
2,812,814.29/3,881,702.35 = 1,523,654.68/x - Step 3: Cross multiply
2,812,814.29x = 3,881,702.35 × 1,523,654.68 - Step 4: Simplify right side
2,812,814.29x = 5,914,373,932,535.99 - Step 5: Solve for x
x = 5,914,373,932,535.99/2,812,814.29 - Step 6: Final answer
x = 2,102,653.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.