Finding the Fourth Proportional to 6,155,435.79, 8,494,940.97 and 3,402,063.99
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Solution
The fourth proportional to 6,155,435.79, 8,494,940.97 and 3,402,063.99 is: 4,695,091.26
Step by Step Solution
- Step 1: Write the proportion equation
6,155,435.79 : 8,494,940.97 = 3,402,063.99 : x - Step 2: Convert to fraction form
6,155,435.79/8,494,940.97 = 3,402,063.99/x - Step 3: Cross multiply
6,155,435.79x = 8,494,940.97 × 3,402,063.99 - Step 4: Simplify right side
6,155,435.79x = 28,900,332,771,212.68 - Step 5: Solve for x
x = 28,900,332,771,212.68/6,155,435.79 - Step 6: Final answer
x = 4,695,091.26
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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.