Finding the Fourth Proportional to 4,923,272.04, 7,388,206.86 and 1,728,407.70
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Solution
The fourth proportional to 4,923,272.04, 7,388,206.86 and 1,728,407.70 is: 2,593,769.66
Step by Step Solution
- Step 1: Write the proportion equation
4,923,272.04 : 7,388,206.86 = 1,728,407.70 : x - Step 2: Convert to fraction form
4,923,272.04/7,388,206.86 = 1,728,407.70/x - Step 3: Cross multiply
4,923,272.04x = 7,388,206.86 × 1,728,407.70 - Step 4: Simplify right side
4,923,272.04x = 12,769,833,626,016.82 - Step 5: Solve for x
x = 12,769,833,626,016.82/4,923,272.04 - Step 6: Final answer
x = 2,593,769.66
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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.