Finding the Fourth Proportional to 4,821,636.93, 7,232,455.40 and 2,289,615.81
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Solution
The fourth proportional to 4,821,636.93, 7,232,455.40 and 2,289,615.81 is: 3,434,423.72
Step by Step Solution
- Step 1: Write the proportion equation
4,821,636.93 : 7,232,455.40 = 2,289,615.81 : x - Step 2: Convert to fraction form
4,821,636.93/7,232,455.40 = 2,289,615.81/x - Step 3: Cross multiply
4,821,636.93x = 7,232,455.40 × 2,289,615.81 - Step 4: Simplify right side
4,821,636.93x = 16,559,544,217,511.79 - Step 5: Solve for x
x = 16,559,544,217,511.79/4,821,636.93 - Step 6: Final answer
x = 3,434,423.72
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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.