Finding the Fourth Proportional to 4,202,140.68, 6,305,179.32 and 2,071,063.08
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Solution
The fourth proportional to 4,202,140.68, 6,305,179.32 and 2,071,063.08 is: 3,107,564.71
Step by Step Solution
- Step 1: Write the proportion equation
4,202,140.68 : 6,305,179.32 = 2,071,063.08 : x - Step 2: Convert to fraction form
4,202,140.68/6,305,179.32 = 2,071,063.08/x - Step 3: Cross multiply
4,202,140.68x = 6,305,179.32 × 2,071,063.08 - Step 4: Simplify right side
4,202,140.68x = 13,058,424,102,431.51 - Step 5: Solve for x
x = 13,058,424,102,431.51/4,202,140.68 - Step 6: Final answer
x = 3,107,564.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.