Finding the Fourth Proportional to 1,687,429.44, 2,328,621.51 and 923,467.68
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Solution
The fourth proportional to 1,687,429.44, 2,328,621.51 and 923,467.68 is: 1,274,368.37
Step by Step Solution
- Step 1: Write the proportion equation
1,687,429.44 : 2,328,621.51 = 923,467.68 : x - Step 2: Convert to fraction form
1,687,429.44/2,328,621.51 = 923,467.68/x - Step 3: Cross multiply
1,687,429.44x = 2,328,621.51 × 923,467.68 - Step 4: Simplify right side
1,687,429.44x = 2,150,406,703,437.80 - Step 5: Solve for x
x = 2,150,406,703,437.80/1,687,429.44 - Step 6: Final answer
x = 1,274,368.37
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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.