Finding the Fourth Proportional to 4,892,387.90, 6,751,719.51 and 2,716,940.75
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Solution
The fourth proportional to 4,892,387.90, 6,751,719.51 and 2,716,940.75 is: 3,749,502.75
Step by Step Solution
- Step 1: Write the proportion equation
4,892,387.90 : 6,751,719.51 = 2,716,940.75 : x - Step 2: Convert to fraction form
4,892,387.90/6,751,719.51 = 2,716,940.75/x - Step 3: Cross multiply
4,892,387.90x = 6,751,719.51 × 2,716,940.75 - Step 4: Simplify right side
4,892,387.90x = 18,344,021,869,289.03 - Step 5: Solve for x
x = 18,344,021,869,289.03/4,892,387.90 - Step 6: Final answer
x = 3,749,502.75
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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.