Finding the Fourth Proportional to 3,136,808.70, 4,705,115.85 and 892,946.70
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Solution
The fourth proportional to 3,136,808.70, 4,705,115.85 and 892,946.70 is: 1,339,392.38
Step by Step Solution
- Step 1: Write the proportion equation
3,136,808.70 : 4,705,115.85 = 892,946.70 : x - Step 2: Convert to fraction form
3,136,808.70/4,705,115.85 = 892,946.70/x - Step 3: Cross multiply
3,136,808.70x = 4,705,115.85 × 892,946.70 - Step 4: Simplify right side
3,136,808.70x = 4,201,417,671,375.19 - Step 5: Solve for x
x = 4,201,417,671,375.19/3,136,808.70 - Step 6: Final answer
x = 1,339,392.38
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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.