Finding the Fourth Proportional to 1,685,046.24, 2,325,399.84 and 921,170.88
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Solution
The fourth proportional to 1,685,046.24, 2,325,399.84 and 921,170.88 is: 1,271,235.51
Step by Step Solution
- Step 1: Write the proportion equation
1,685,046.24 : 2,325,399.84 = 921,170.88 : x - Step 2: Convert to fraction form
1,685,046.24/2,325,399.84 = 921,170.88/x - Step 3: Cross multiply
1,685,046.24x = 2,325,399.84 × 921,170.88 - Step 4: Simplify right side
1,685,046.24x = 2,142,090,616,964.66 - Step 5: Solve for x
x = 2,142,090,616,964.66/1,685,046.24 - Step 6: Final answer
x = 1,271,235.51
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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.