Finding the Fourth Proportional to 2,074,927.04, 2,864,113.68 and 1,215,765.44
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Solution
The fourth proportional to 2,074,927.04, 2,864,113.68 and 1,215,765.44 is: 1,678,174.88
Step by Step Solution
- Step 1: Write the proportion equation
2,074,927.04 : 2,864,113.68 = 1,215,765.44 : x - Step 2: Convert to fraction form
2,074,927.04/2,864,113.68 = 1,215,765.44/x - Step 3: Cross multiply
2,074,927.04x = 2,864,113.68 × 1,215,765.44 - Step 4: Simplify right side
2,074,927.04x = 3,482,090,428,375.22 - Step 5: Solve for x
x = 3,482,090,428,375.22/2,074,927.04 - Step 6: Final answer
x = 1,678,174.88
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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.