Finding the Fourth Proportional to 1,635,703.20, 2,453,631.60 and 513,808.80
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Solution
The fourth proportional to 1,635,703.20, 2,453,631.60 and 513,808.80 is: 770,737.32
Step by Step Solution
- Step 1: Write the proportion equation
1,635,703.20 : 2,453,631.60 = 513,808.80 : x - Step 2: Convert to fraction form
1,635,703.20/2,453,631.60 = 513,808.80/x - Step 3: Cross multiply
1,635,703.20x = 2,453,631.60 × 513,808.80 - Step 4: Simplify right side
1,635,703.20x = 1,260,697,508,038.08 - Step 5: Solve for x
x = 1,260,697,508,038.08/1,635,703.20 - Step 6: Final answer
x = 770,737.32
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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.