Finding the Fourth Proportional to 3,438,939.04, 4,745,850.96 and 1,911,110.56
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Solution
The fourth proportional to 3,438,939.04, 4,745,850.96 and 1,911,110.56 is: 2,637,396.53
Step by Step Solution
- Step 1: Write the proportion equation
3,438,939.04 : 4,745,850.96 = 1,911,110.56 : x - Step 2: Convert to fraction form
3,438,939.04/4,745,850.96 = 1,911,110.56/x - Step 3: Cross multiply
3,438,939.04x = 4,745,850.96 × 1,911,110.56 - Step 4: Simplify right side
3,438,939.04x = 9,069,845,885,842.14 - Step 5: Solve for x
x = 9,069,845,885,842.14/3,438,939.04 - Step 6: Final answer
x = 2,637,396.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.