Finding the Fourth Proportional to 4,855,911.69, 6,701,120.37 and 2,680,455.54
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Solution
The fourth proportional to 4,855,911.69, 6,701,120.37 and 2,680,455.54 is: 3,699,007.80
Step by Step Solution
- Step 1: Write the proportion equation
4,855,911.69 : 6,701,120.37 = 2,680,455.54 : x - Step 2: Convert to fraction form
4,855,911.69/6,701,120.37 = 2,680,455.54/x - Step 3: Cross multiply
4,855,911.69x = 6,701,120.37 × 2,680,455.54 - Step 4: Simplify right side
4,855,911.69x = 17,962,055,219,973.35 - Step 5: Solve for x
x = 17,962,055,219,973.35/4,855,911.69 - Step 6: Final answer
x = 3,699,007.80
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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.