Finding the Fourth Proportional to 5,577,639.69, 8,361,325.53 and 2,168,194.17
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Solution
The fourth proportional to 5,577,639.69, 8,361,325.53 and 2,168,194.17 is: 3,250,295.51
Step by Step Solution
- Step 1: Write the proportion equation
5,577,639.69 : 8,361,325.53 = 2,168,194.17 : x - Step 2: Convert to fraction form
5,577,639.69/8,361,325.53 = 2,168,194.17/x - Step 3: Cross multiply
5,577,639.69x = 8,361,325.53 × 2,168,194.17 - Step 4: Simplify right side
5,577,639.69x = 18,128,977,267,618.16 - Step 5: Solve for x
x = 18,128,977,267,618.16/5,577,639.69 - Step 6: Final answer
x = 3,250,295.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.