Finding the Fourth Proportional to 6,460,874.16, 8,916,396.60 and 3,560,260.08
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Solution
The fourth proportional to 6,460,874.16, 8,916,396.60 and 3,560,260.08 is: 4,913,373.96
Step by Step Solution
- Step 1: Write the proportion equation
6,460,874.16 : 8,916,396.60 = 3,560,260.08 : x - Step 2: Convert to fraction form
6,460,874.16/8,916,396.60 = 3,560,260.08/x - Step 3: Cross multiply
6,460,874.16x = 8,916,396.60 × 3,560,260.08 - Step 4: Simplify right side
6,460,874.16x = 31,744,690,872,427.73 - Step 5: Solve for x
x = 31,744,690,872,427.73/6,460,874.16 - Step 6: Final answer
x = 4,913,373.96
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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.