Finding the Fourth Proportional to 3,989,397.97, 5,984,937.63 and 1,293,512.95
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Solution
The fourth proportional to 3,989,397.97, 5,984,937.63 and 1,293,512.95 is: 1,940,542.00
Step by Step Solution
- Step 1: Write the proportion equation
3,989,397.97 : 5,984,937.63 = 1,293,512.95 : x - Step 2: Convert to fraction form
3,989,397.97/5,984,937.63 = 1,293,512.95/x - Step 3: Cross multiply
3,989,397.97x = 5,984,937.63 × 1,293,512.95 - Step 4: Simplify right side
3,989,397.97x = 7,741,594,292,955.06 - Step 5: Solve for x
x = 7,741,594,292,955.06/3,989,397.97 - Step 6: Final answer
x = 1,940,542.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.