Finding the Fourth Proportional to 7,707,982.30, 10,636,239.75 and 4,269,581.02
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Solution
The fourth proportional to 7,707,982.30, 10,636,239.75 and 4,269,581.02 is: 5,891,592.07
Step by Step Solution
- Step 1: Write the proportion equation
7,707,982.30 : 10,636,239.75 = 4,269,581.02 : x - Step 2: Convert to fraction form
7,707,982.30/10,636,239.75 = 4,269,581.02/x - Step 3: Cross multiply
7,707,982.30x = 10,636,239.75 × 4,269,581.02 - Step 4: Simplify right side
7,707,982.30x = 45,412,287,360,769.54 - Step 5: Solve for x
x = 45,412,287,360,769.54/7,707,982.30 - Step 6: Final answer
x = 5,891,592.07
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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.