Finding the Fourth Proportional to 4,318,440.14, 6,473,325.09 and 1,476,608.78
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Solution
The fourth proportional to 4,318,440.14, 6,473,325.09 and 1,476,608.78 is: 2,213,430.86
Step by Step Solution
- Step 1: Write the proportion equation
4,318,440.14 : 6,473,325.09 = 1,476,608.78 : x - Step 2: Convert to fraction form
4,318,440.14/6,473,325.09 = 1,476,608.78/x - Step 3: Cross multiply
4,318,440.14x = 6,473,325.09 × 1,476,608.78 - Step 4: Simplify right side
4,318,440.14x = 9,558,568,663,688.29 - Step 5: Solve for x
x = 9,558,568,663,688.29/4,318,440.14 - Step 6: Final answer
x = 2,213,430.86
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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.