Finding the Fourth Proportional to 7,184,458.80, 10,776,688.20 and 2,135,113.20
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Solution
The fourth proportional to 7,184,458.80, 10,776,688.20 and 2,135,113.20 is: 3,202,669.80
Step by Step Solution
- Step 1: Write the proportion equation
7,184,458.80 : 10,776,688.20 = 2,135,113.20 : x - Step 2: Convert to fraction form
7,184,458.80/10,776,688.20 = 2,135,113.20/x - Step 3: Cross multiply
7,184,458.80x = 10,776,688.20 × 2,135,113.20 - Step 4: Simplify right side
7,184,458.80x = 23,009,449,228,104.24 - Step 5: Solve for x
x = 23,009,449,228,104.24/7,184,458.80 - Step 6: Final answer
x = 3,202,669.80
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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.