Finding the Fourth Proportional to 2,128,400, 3,192,735.36 and 865,537.28
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Solution
The fourth proportional to 2,128,400, 3,192,735.36 and 865,537.28 is: 1,298,360.97
Step by Step Solution
- Step 1: Write the proportion equation
2,128,400 : 3,192,735.36 = 865,537.28 : x - Step 2: Convert to fraction form
2,128,400/3,192,735.36 = 865,537.28/x - Step 3: Cross multiply
2,128,400x = 3,192,735.36 × 865,537.28 - Step 4: Simplify right side
2,128,400x = 2,763,431,479,254.22 - Step 5: Solve for x
x = 2,763,431,479,254.22/2,128,400 - Step 6: Final answer
x = 1,298,360.97
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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.