Finding the Fourth Proportional to 2,124,668.26, 2,932,002.12 and 1,157,805.28
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Solution
The fourth proportional to 2,124,668.26, 2,932,002.12 and 1,157,805.28 is: 1,597,749.45
Step by Step Solution
- Step 1: Write the proportion equation
2,124,668.26 : 2,932,002.12 = 1,157,805.28 : x - Step 2: Convert to fraction form
2,124,668.26/2,932,002.12 = 1,157,805.28/x - Step 3: Cross multiply
2,124,668.26x = 2,932,002.12 × 1,157,805.28 - Step 4: Simplify right side
2,124,668.26x = 3,394,687,535,507.19 - Step 5: Solve for x
x = 3,394,687,535,507.19/2,124,668.26 - Step 6: Final answer
x = 1,597,749.45
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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.