Finding the Fourth Proportional to 5,181,205.70, 7,771,808.55 and 1,635,349.70
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Solution
The fourth proportional to 5,181,205.70, 7,771,808.55 and 1,635,349.70 is: 2,453,024.55
Step by Step Solution
- Step 1: Write the proportion equation
5,181,205.70 : 7,771,808.55 = 1,635,349.70 : x - Step 2: Convert to fraction form
5,181,205.70/7,771,808.55 = 1,635,349.70/x - Step 3: Cross multiply
5,181,205.70x = 7,771,808.55 × 1,635,349.70 - Step 4: Simplify right side
5,181,205.70x = 12,709,624,780,699.93 - Step 5: Solve for x
x = 12,709,624,780,699.93/5,181,205.70 - Step 6: Final answer
x = 2,453,024.55
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1.5x scale
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.