Finding the Fourth Proportional to 2,773,578.24, 3,828,716.78 and 1,686,197.03
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Solution
The fourth proportional to 2,773,578.24, 3,828,716.78 and 1,686,197.03 is: 2,327,668.55
Step by Step Solution
- Step 1: Write the proportion equation
2,773,578.24 : 3,828,716.78 = 1,686,197.03 : x - Step 2: Convert to fraction form
2,773,578.24/3,828,716.78 = 1,686,197.03/x - Step 3: Cross multiply
2,773,578.24x = 3,828,716.78 × 1,686,197.03 - Step 4: Simplify right side
2,773,578.24x = 6,455,970,835,572.59 - Step 5: Solve for x
x = 6,455,970,835,572.59/2,773,578.24 - Step 6: Final answer
x = 2,327,668.55
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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.