Finding the Fourth Proportional to 5,173,944.08, 7,759,023.96 and 1,977,489.68
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Solution
The fourth proportional to 5,173,944.08, 7,759,023.96 and 1,977,489.68 is: 2,965,511.33
Step by Step Solution
- Step 1: Write the proportion equation
5,173,944.08 : 7,759,023.96 = 1,977,489.68 : x - Step 2: Convert to fraction form
5,173,944.08/7,759,023.96 = 1,977,489.68/x - Step 3: Cross multiply
5,173,944.08x = 7,759,023.96 × 1,977,489.68 - Step 4: Simplify right side
5,173,944.08x = 15,343,389,807,772.73 - Step 5: Solve for x
x = 15,343,389,807,772.73/5,173,944.08 - Step 6: Final answer
x = 2,965,511.33
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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.