Finding the Fourth Proportional to 1,378,122.78, 2,067,177.01 and 353,448.28
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Solution
The fourth proportional to 1,378,122.78, 2,067,177.01 and 353,448.28 is: 530,170.58
Step by Step Solution
- Step 1: Write the proportion equation
1,378,122.78 : 2,067,177.01 = 353,448.28 : x - Step 2: Convert to fraction form
1,378,122.78/2,067,177.01 = 353,448.28/x - Step 3: Cross multiply
1,378,122.78x = 2,067,177.01 × 353,448.28 - Step 4: Simplify right side
1,378,122.78x = 730,640,158,640.04 - Step 5: Solve for x
x = 730,640,158,640.04/1,378,122.78 - Step 6: Final answer
x = 530,170.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.