Finding the Fourth Proportional to 1,438,884.96, 1,985,901.36 and 1,375,110.24
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Solution
The fourth proportional to 1,438,884.96, 1,985,901.36 and 1,375,110.24 is: 1,897,881.60
Step by Step Solution
- Step 1: Write the proportion equation
1,438,884.96 : 1,985,901.36 = 1,375,110.24 : x - Step 2: Convert to fraction form
1,438,884.96/1,985,901.36 = 1,375,110.24/x - Step 3: Cross multiply
1,438,884.96x = 1,985,901.36 × 1,375,110.24 - Step 4: Simplify right side
1,438,884.96x = 2,730,833,295,765.93 - Step 5: Solve for x
x = 2,730,833,295,765.93/1,438,884.96 - Step 6: Final answer
x = 1,897,881.60
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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.