Finding the Fourth Proportional to 2,580,748.41, 3,561,427.64 and 1,478,536.79
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Solution
The fourth proportional to 2,580,748.41, 3,561,427.64 and 1,478,536.79 is: 2,040,377.81
Step by Step Solution
- Step 1: Write the proportion equation
2,580,748.41 : 3,561,427.64 = 1,478,536.79 : x - Step 2: Convert to fraction form
2,580,748.41/3,561,427.64 = 1,478,536.79/x - Step 3: Cross multiply
2,580,748.41x = 3,561,427.64 × 1,478,536.79 - Step 4: Simplify right side
2,580,748.41x = 5,265,701,796,585.11 - Step 5: Solve for x
x = 5,265,701,796,585.11/2,580,748.41 - Step 6: Final answer
x = 2,040,377.81
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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.