Finding the Fourth Proportional to 6,898,140.82, 9,519,728.07 and 3,842,354.26
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Solution
The fourth proportional to 6,898,140.82, 9,519,728.07 and 3,842,354.26 is: 5,302,612.49
Step by Step Solution
- Step 1: Write the proportion equation
6,898,140.82 : 9,519,728.07 = 3,842,354.26 : x - Step 2: Convert to fraction form
6,898,140.82/9,519,728.07 = 3,842,354.26/x - Step 3: Cross multiply
6,898,140.82x = 9,519,728.07 × 3,842,354.26 - Step 4: Simplify right side
6,898,140.82x = 36,578,167,703,806.08 - Step 5: Solve for x
x = 36,578,167,703,806.08/6,898,140.82 - Step 6: Final answer
x = 5,302,612.49
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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.