Finding the Fourth Proportional to 6,330,821.14, 8,736,536.46 and 3,430,214.29
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Solution
The fourth proportional to 6,330,821.14, 8,736,536.46 and 3,430,214.29 is: 4,733,697.50
Step by Step Solution
- Step 1: Write the proportion equation
6,330,821.14 : 8,736,536.46 = 3,430,214.29 : x - Step 2: Convert to fraction form
6,330,821.14/8,736,536.46 = 3,430,214.29/x - Step 3: Cross multiply
6,330,821.14x = 8,736,536.46 × 3,430,214.29 - Step 4: Simplify right side
6,330,821.14x = 29,968,192,210,198.02 - Step 5: Solve for x
x = 29,968,192,210,198.02/6,330,821.14 - Step 6: Final answer
x = 4,733,697.50
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1.5x scale
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.