Finding the Fourth Proportional to 3,038,866.79, 4,193,170.67 and 1,749,458.03
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Solution
The fourth proportional to 3,038,866.79, 4,193,170.67 and 1,749,458.03 is: 2,413,984.09
Step by Step Solution
- Step 1: Write the proportion equation
3,038,866.79 : 4,193,170.67 = 1,749,458.03 : x - Step 2: Convert to fraction form
3,038,866.79/4,193,170.67 = 1,749,458.03/x - Step 3: Cross multiply
3,038,866.79x = 4,193,170.67 × 1,749,458.03 - Step 4: Simplify right side
3,038,866.79x = 7,335,776,070,078.84 - Step 5: Solve for x
x = 7,335,776,070,078.84/3,038,866.79 - Step 6: Final answer
x = 2,413,984.09
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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.