Finding the Fourth Proportional to 6,330,821.39, 8,736,536.81 and 3,430,214.54
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Solution
The fourth proportional to 6,330,821.39, 8,736,536.81 and 3,430,214.54 is: 4,733,697.85
Step by Step Solution
- Step 1: Write the proportion equation
6,330,821.39 : 8,736,536.81 = 3,430,214.54 : x - Step 2: Convert to fraction form
6,330,821.39/8,736,536.81 = 3,430,214.54/x - Step 3: Cross multiply
6,330,821.39x = 8,736,536.81 × 3,430,214.54 - Step 4: Simplify right side
6,330,821.39x = 29,968,195,577,756.14 - Step 5: Solve for x
x = 29,968,195,577,756.14/6,330,821.39 - Step 6: Final answer
x = 4,733,697.85
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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.