Finding the Fourth Proportional to 5,246,700.51, 7,240,349.49 and 2,859,791.55
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Solution
The fourth proportional to 5,246,700.51, 7,240,349.49 and 2,859,791.55 is: 3,946,459.35
Step by Step Solution
- Step 1: Write the proportion equation
5,246,700.51 : 7,240,349.49 = 2,859,791.55 : x - Step 2: Convert to fraction form
5,246,700.51/7,240,349.49 = 2,859,791.55/x - Step 3: Cross multiply
5,246,700.51x = 7,240,349.49 × 2,859,791.55 - Step 4: Simplify right side
5,246,700.51x = 20,705,890,290,548.81 - Step 5: Solve for x
x = 20,705,890,290,548.81/5,246,700.51 - Step 6: Final answer
x = 3,946,459.35
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1.5x scale
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.