Finding the Fourth Proportional to 3,187,538.68, 4,398,675.06 and 1,737,203.08
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Solution
The fourth proportional to 3,187,538.68, 4,398,675.06 and 1,737,203.08 is: 2,397,270.32
Step by Step Solution
- Step 1: Write the proportion equation
3,187,538.68 : 4,398,675.06 = 1,737,203.08 : x - Step 2: Convert to fraction form
3,187,538.68/4,398,675.06 = 1,737,203.08/x - Step 3: Cross multiply
3,187,538.68x = 4,398,675.06 × 1,737,203.08 - Step 4: Simplify right side
3,187,538.68x = 7,641,391,862,151.19 - Step 5: Solve for x
x = 7,641,391,862,151.19/3,187,538.68 - Step 6: Final answer
x = 2,397,270.32
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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.