Finding the Fourth Proportional to 5,706,000.88, 7,861,047.21 and 3,984,394.48
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Solution
The fourth proportional to 5,706,000.88, 7,861,047.21 and 3,984,394.48 is: 5,489,223.32
Step by Step Solution
- Step 1: Write the proportion equation
5,706,000.88 : 7,861,047.21 = 3,984,394.48 : x - Step 2: Convert to fraction form
5,706,000.88/7,861,047.21 = 3,984,394.48/x - Step 3: Cross multiply
5,706,000.88x = 7,861,047.21 × 3,984,394.48 - Step 4: Simplify right side
5,706,000.88x = 31,321,513,110,543.40 - Step 5: Solve for x
x = 31,321,513,110,543.40/5,706,000.88 - Step 6: Final answer
x = 5,489,223.32
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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.