Finding the Fourth Proportional to 1,847,720.84, 2,551,615.62 and 1,747,086.08
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Solution
The fourth proportional to 1,847,720.84, 2,551,615.62 and 1,747,086.08 is: 2,412,643.75
Step by Step Solution
- Step 1: Write the proportion equation
1,847,720.84 : 2,551,615.62 = 1,747,086.08 : x - Step 2: Convert to fraction form
1,847,720.84/2,551,615.62 = 1,747,086.08/x - Step 3: Cross multiply
1,847,720.84x = 2,551,615.62 × 1,747,086.08 - Step 4: Simplify right side
1,847,720.84x = 4,457,892,131,212.57 - Step 5: Solve for x
x = 4,457,892,131,212.57/1,847,720.84 - Step 6: Final answer
x = 2,412,643.75
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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.