Finding the Fourth Proportional to 2,040,514.74, 2,815,934.04 and 1,169,332.20
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Solution
The fourth proportional to 2,040,514.74, 2,815,934.04 and 1,169,332.20 is: 1,613,692.02
Step by Step Solution
- Step 1: Write the proportion equation
2,040,514.74 : 2,815,934.04 = 1,169,332.20 : x - Step 2: Convert to fraction form
2,040,514.74/2,815,934.04 = 1,169,332.20/x - Step 3: Cross multiply
2,040,514.74x = 2,815,934.04 × 1,169,332.20 - Step 4: Simplify right side
2,040,514.74x = 3,292,762,346,048.09 - Step 5: Solve for x
x = 3,292,762,346,048.09/2,040,514.74 - Step 6: Final answer
x = 1,613,692.02
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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.