Finding the Fourth Proportional to 7,184,804.80, 10,777,207.20 and 2,922,779.20
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Solution
The fourth proportional to 7,184,804.80, 10,777,207.20 and 2,922,779.20 is: 4,384,168.80
Step by Step Solution
- Step 1: Write the proportion equation
7,184,804.80 : 10,777,207.20 = 2,922,779.20 : x - Step 2: Convert to fraction form
7,184,804.80/10,777,207.20 = 2,922,779.20/x - Step 3: Cross multiply
7,184,804.80x = 10,777,207.20 × 2,922,779.20 - Step 4: Simplify right side
7,184,804.80x = 31,499,397,038,250.24 - Step 5: Solve for x
x = 31,499,397,038,250.24/7,184,804.80 - Step 6: Final answer
x = 4,384,168.80
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1.5x scale
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.