Finding the Fourth Proportional to 5,287,063.24, 7,296,507.84 and 2,995,242.76
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Solution
The fourth proportional to 5,287,063.24, 7,296,507.84 and 2,995,242.76 is: 4,133,639.28
Step by Step Solution
- Step 1: Write the proportion equation
5,287,063.24 : 7,296,507.84 = 2,995,242.76 : x - Step 2: Convert to fraction form
5,287,063.24/7,296,507.84 = 2,995,242.76/x - Step 3: Cross multiply
5,287,063.24x = 7,296,507.84 × 2,995,242.76 - Step 4: Simplify right side
5,287,063.24x = 21,854,812,281,043.23 - Step 5: Solve for x
x = 21,854,812,281,043.23/5,287,063.24 - Step 6: Final answer
x = 4,133,639.28
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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.