Finding the Fourth Proportional to 3,198,902.74, 4,414,485.99 and 1,748,603.92
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Solution
The fourth proportional to 3,198,902.74, 4,414,485.99 and 1,748,603.92 is: 2,413,073.52
Step by Step Solution
- Step 1: Write the proportion equation
3,198,902.74 : 4,414,485.99 = 1,748,603.92 : x - Step 2: Convert to fraction form
3,198,902.74/4,414,485.99 = 1,748,603.92/x - Step 3: Cross multiply
3,198,902.74x = 4,414,485.99 × 1,748,603.92 - Step 4: Simplify right side
3,198,902.74x = 7,719,187,506,899.08 - Step 5: Solve for x
x = 7,719,187,506,899.08/3,198,902.74 - Step 6: Final answer
x = 2,413,073.52
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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.