Finding the Fourth Proportional to 3,850,351.49, 5,313,547.73 and 2,107,991.48
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Solution
The fourth proportional to 3,850,351.49, 5,313,547.73 and 2,107,991.48 is: 2,909,062.54
Step by Step Solution
- Step 1: Write the proportion equation
3,850,351.49 : 5,313,547.73 = 2,107,991.48 : x - Step 2: Convert to fraction form
3,850,351.49/5,313,547.73 = 2,107,991.48/x - Step 3: Cross multiply
3,850,351.49x = 5,313,547.73 × 2,107,991.48 - Step 4: Simplify right side
3,850,351.49x = 11,200,913,306,305.64 - Step 5: Solve for x
x = 11,200,913,306,305.64/3,850,351.49 - Step 6: Final answer
x = 2,909,062.54
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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.