Finding the Fourth Proportional to 2,168,326.45, 2,992,287.58 and 1,201,519.36
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Solution
The fourth proportional to 2,168,326.45, 2,992,287.58 and 1,201,519.36 is: 1,658,095.10
Step by Step Solution
- Step 1: Write the proportion equation
2,168,326.45 : 2,992,287.58 = 1,201,519.36 : x - Step 2: Convert to fraction form
2,168,326.45/2,992,287.58 = 1,201,519.36/x - Step 3: Cross multiply
2,168,326.45x = 2,992,287.58 × 1,201,519.36 - Step 4: Simplify right side
2,168,326.45x = 3,595,291,458,057.55 - Step 5: Solve for x
x = 3,595,291,458,057.55/2,168,326.45 - Step 6: Final answer
x = 1,658,095.10
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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.