Finding the Fourth Proportional to 3,835,653.84, 5,751,984.96 and 1,438,192.08
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Solution
The fourth proportional to 3,835,653.84, 5,751,984.96 and 1,438,192.08 is: 2,156,727.26
Step by Step Solution
- Step 1: Write the proportion equation
3,835,653.84 : 5,751,984.96 = 1,438,192.08 : x - Step 2: Convert to fraction form
3,835,653.84/5,751,984.96 = 1,438,192.08/x - Step 3: Cross multiply
3,835,653.84x = 5,751,984.96 × 1,438,192.08 - Step 4: Simplify right side
3,835,653.84x = 8,272,459,213,751.12 - Step 5: Solve for x
x = 8,272,459,213,751.12/3,835,653.84 - Step 6: Final answer
x = 2,156,727.26
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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.