Finding the Fourth Proportional to 5,694,276.81, 7,858,101.80 and 3,115,957.82
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Solution
The fourth proportional to 5,694,276.81, 7,858,101.80 and 3,115,957.82 is: 4,300,021.67
Step by Step Solution
- Step 1: Write the proportion equation
5,694,276.81 : 7,858,101.80 = 3,115,957.82 : x - Step 2: Convert to fraction form
5,694,276.81/7,858,101.80 = 3,115,957.82/x - Step 3: Cross multiply
5,694,276.81x = 7,858,101.80 × 3,115,957.82 - Step 4: Simplify right side
5,694,276.81x = 24,485,513,722,565.46 - Step 5: Solve for x
x = 24,485,513,722,565.46/5,694,276.81 - Step 6: Final answer
x = 4,300,021.67
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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.