Finding the Fourth Proportional to 3,881,140.51, 5,794,421.59 and 2,965,531.09
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Solution
The fourth proportional to 3,881,140.51, 5,794,421.59 and 2,965,531.09 is: 4,427,445.32
Step by Step Solution
- Step 1: Write the proportion equation
3,881,140.51 : 5,794,421.59 = 2,965,531.09 : x - Step 2: Convert to fraction form
3,881,140.51/5,794,421.59 = 2,965,531.09/x - Step 3: Cross multiply
3,881,140.51x = 5,794,421.59 × 2,965,531.09 - Step 4: Simplify right side
3,881,140.51x = 17,183,537,373,712.23 - Step 5: Solve for x
x = 17,183,537,373,712.23/3,881,140.51 - Step 6: Final answer
x = 4,427,445.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.