Finding the Fourth Proportional to 1,551,213.14, 2,326,820.40 and 486,338.24
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Solution
The fourth proportional to 1,551,213.14, 2,326,820.40 and 486,338.24 is: 729,507.58
Step by Step Solution
- Step 1: Write the proportion equation
1,551,213.14 : 2,326,820.40 = 486,338.24 : x - Step 2: Convert to fraction form
1,551,213.14/2,326,820.40 = 486,338.24/x - Step 3: Cross multiply
1,551,213.14x = 2,326,820.40 × 486,338.24 - Step 4: Simplify right side
1,551,213.14x = 1,131,621,738,132.10 - Step 5: Solve for x
x = 1,131,621,738,132.10/1,551,213.14 - Step 6: Final answer
x = 729,507.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.