Finding the Fourth Proportional to 3,816,317.80, 5,271,192.18 and 2,853,730.60
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Solution
The fourth proportional to 3,816,317.80, 5,271,192.18 and 2,853,730.60 is: 3,941,643.02
Step by Step Solution
- Step 1: Write the proportion equation
3,816,317.80 : 5,271,192.18 = 2,853,730.60 : x - Step 2: Convert to fraction form
3,816,317.80/5,271,192.18 = 2,853,730.60/x - Step 3: Cross multiply
3,816,317.80x = 5,271,192.18 × 2,853,730.60 - Step 4: Simplify right side
3,816,317.80x = 15,042,562,422,546.71 - Step 5: Solve for x
x = 15,042,562,422,546.71/3,816,317.80 - Step 6: Final answer
x = 3,941,643.02
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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.