Finding the Fourth Proportional to 1,516,130.28, 2,274,186.12 and 378,886.62
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Solution
The fourth proportional to 1,516,130.28, 2,274,186.12 and 378,886.62 is: 568,327.61
Step by Step Solution
- Step 1: Write the proportion equation
1,516,130.28 : 2,274,186.12 = 378,886.62 : x - Step 2: Convert to fraction form
1,516,130.28/2,274,186.12 = 378,886.62/x - Step 3: Cross multiply
1,516,130.28x = 2,274,186.12 × 378,886.62 - Step 4: Simplify right side
1,516,130.28x = 861,658,692,257.72 - Step 5: Solve for x
x = 861,658,692,257.72/1,516,130.28 - Step 6: Final answer
x = 568,327.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.