Finding the Fourth Proportional to 5,519,653.08, 7,617,063.06 and 3,072,225.12
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Solution
The fourth proportional to 5,519,653.08, 7,617,063.06 and 3,072,225.12 is: 4,239,638.28
Step by Step Solution
- Step 1: Write the proportion equation
5,519,653.08 : 7,617,063.06 = 3,072,225.12 : x - Step 2: Convert to fraction form
5,519,653.08/7,617,063.06 = 3,072,225.12/x - Step 3: Cross multiply
5,519,653.08x = 7,617,063.06 × 3,072,225.12 - Step 4: Simplify right side
5,519,653.08x = 23,401,332,473,556.07 - Step 5: Solve for x
x = 23,401,332,473,556.07/5,519,653.08 - Step 6: Final answer
x = 4,239,638.28
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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.