Finding the Fourth Proportional to 2,579,702.22, 3,869,640.81 and 686,445.48
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Solution
The fourth proportional to 2,579,702.22, 3,869,640.81 and 686,445.48 is: 1,029,691.50
Step by Step Solution
- Step 1: Write the proportion equation
2,579,702.22 : 3,869,640.81 = 686,445.48 : x - Step 2: Convert to fraction form
2,579,702.22/3,869,640.81 = 686,445.48/x - Step 3: Cross multiply
2,579,702.22x = 3,869,640.81 × 686,445.48 - Step 4: Simplify right side
2,579,702.22x = 2,656,297,443,248.04 - Step 5: Solve for x
x = 2,656,297,443,248.04/2,579,702.22 - Step 6: Final answer
x = 1,029,691.50
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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.