Finding the Fourth Proportional to 7,203,176.78, 10,799,965.65 and 3,966,238.75
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Solution
The fourth proportional to 7,203,176.78, 10,799,965.65 and 3,966,238.75 is: 5,946,715.39
Step by Step Solution
- Step 1: Write the proportion equation
7,203,176.78 : 10,799,965.65 = 3,966,238.75 : x - Step 2: Convert to fraction form
7,203,176.78/10,799,965.65 = 3,966,238.75/x - Step 3: Cross multiply
7,203,176.78x = 10,799,965.65 × 3,966,238.75 - Step 4: Simplify right side
7,203,176.78x = 42,835,242,237,298 - Step 5: Solve for x
x = 42,835,242,237,298/7,203,176.78 - Step 6: Final answer
x = 5,946,715.39
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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.