Finding the Fourth Proportional to 3,072,294.72, 4,239,087.84 and 1,782,387.84
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Solution
The fourth proportional to 3,072,294.72, 4,239,087.84 and 1,782,387.84 is: 2,459,301.37
Step by Step Solution
- Step 1: Write the proportion equation
3,072,294.72 : 4,239,087.84 = 1,782,387.84 : x - Step 2: Convert to fraction form
3,072,294.72/4,239,087.84 = 1,782,387.84/x - Step 3: Cross multiply
3,072,294.72x = 4,239,087.84 × 1,782,387.84 - Step 4: Simplify right side
3,072,294.72x = 7,555,698,618,707.87 - Step 5: Solve for x
x = 7,555,698,618,707.87/3,072,294.72 - Step 6: Final answer
x = 2,459,301.37
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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.