Finding the Fourth Proportional to 1,536,679.25, 2,120,465.81 and 848,306.42
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Solution
The fourth proportional to 1,536,679.25, 2,120,465.81 and 848,306.42 is: 1,170,579.19
Step by Step Solution
- Step 1: Write the proportion equation
1,536,679.25 : 2,120,465.81 = 848,306.42 : x - Step 2: Convert to fraction form
1,536,679.25/2,120,465.81 = 848,306.42/x - Step 3: Cross multiply
1,536,679.25x = 2,120,465.81 × 848,306.42 - Step 4: Simplify right side
1,536,679.25x = 1,798,804,755,771.97 - Step 5: Solve for x
x = 1,798,804,755,771.97/1,536,679.25 - Step 6: Final answer
x = 1,170,579.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.