Finding the Fourth Proportional to 1,335,390.79, 1,841,822.49 and 1,149,438.79
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Solution
The fourth proportional to 1,335,390.79, 1,841,822.49 and 1,149,438.79 is: 1,585,350.32
Step by Step Solution
- Step 1: Write the proportion equation
1,335,390.79 : 1,841,822.49 = 1,149,438.79 : x - Step 2: Convert to fraction form
1,335,390.79/1,841,822.49 = 1,149,438.79/x - Step 3: Cross multiply
1,335,390.79x = 1,841,822.49 × 1,149,438.79 - Step 4: Simplify right side
1,335,390.79x = 2,117,062,214,300.39 - Step 5: Solve for x
x = 2,117,062,214,300.39/1,335,390.79 - Step 6: Final answer
x = 1,585,350.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.