Finding the Fourth Proportional to 3,828,431.70, 5,283,467.73 and 2,109,550.14
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Solution
The fourth proportional to 3,828,431.70, 5,283,467.73 and 2,109,550.14 is: 2,911,307.02
Step by Step Solution
- Step 1: Write the proportion equation
3,828,431.70 : 5,283,467.73 = 2,109,550.14 : x - Step 2: Convert to fraction form
3,828,431.70/5,283,467.73 = 2,109,550.14/x - Step 3: Cross multiply
3,828,431.70x = 5,283,467.73 × 2,109,550.14 - Step 4: Simplify right side
3,828,431.70x = 11,145,740,089,506.98 - Step 5: Solve for x
x = 11,145,740,089,506.98/3,828,431.70 - Step 6: Final answer
x = 2,911,307.02
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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.