Finding the Fourth Proportional to 6,355,690.28, 8,770,815.92 and 3,602,896.96
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Solution
The fourth proportional to 6,355,690.28, 8,770,815.92 and 3,602,896.96 is: 4,971,977.02
Step by Step Solution
- Step 1: Write the proportion equation
6,355,690.28 : 8,770,815.92 = 3,602,896.96 : x - Step 2: Convert to fraction form
6,355,690.28/8,770,815.92 = 3,602,896.96/x - Step 3: Cross multiply
6,355,690.28x = 8,770,815.92 × 3,602,896.96 - Step 4: Simplify right side
6,355,690.28x = 31,600,346,014,887.60 - Step 5: Solve for x
x = 31,600,346,014,887.60/6,355,690.28 - Step 6: Final answer
x = 4,971,977.02
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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.