Finding the Fourth Proportional to 1,618,840.18, 2,427,837.38 and 481,296.05
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Solution
The fourth proportional to 1,618,840.18, 2,427,837.38 and 481,296.05 is: 721,818.34
Step by Step Solution
- Step 1: Write the proportion equation
1,618,840.18 : 2,427,837.38 = 481,296.05 : x - Step 2: Convert to fraction form
1,618,840.18/2,427,837.38 = 481,296.05/x - Step 3: Cross multiply
1,618,840.18x = 2,427,837.38 × 481,296.05 - Step 4: Simplify right side
1,618,840.18x = 1,168,508,533,278.93 - Step 5: Solve for x
x = 1,168,508,533,278.93/1,618,840.18 - Step 6: Final answer
x = 721,818.34
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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.