Finding the Fourth Proportional to 6,436,739.12, 8,882,703.23 and 3,536,316.77
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Solution
The fourth proportional to 6,436,739.12, 8,882,703.23 and 3,536,316.77 is: 4,880,118.92
Step by Step Solution
- Step 1: Write the proportion equation
6,436,739.12 : 8,882,703.23 = 3,536,316.77 : x - Step 2: Convert to fraction form
6,436,739.12/8,882,703.23 = 3,536,316.77/x - Step 3: Cross multiply
6,436,739.12x = 8,882,703.23 × 3,536,316.77 - Step 4: Simplify right side
6,436,739.12x = 31,412,052,333,087.07 - Step 5: Solve for x
x = 31,412,052,333,087.07/6,436,739.12 - Step 6: Final answer
x = 4,880,118.92
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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.