Finding the Fourth Proportional to 1,616,113.42, 2,230,250.96 and 890,986.84
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Solution
The fourth proportional to 1,616,113.42, 2,230,250.96 and 890,986.84 is: 1,229,569.80
Step by Step Solution
- Step 1: Write the proportion equation
1,616,113.42 : 2,230,250.96 = 890,986.84 : x - Step 2: Convert to fraction form
1,616,113.42/2,230,250.96 = 890,986.84/x - Step 3: Cross multiply
1,616,113.42x = 2,230,250.96 × 890,986.84 - Step 4: Simplify right side
1,616,113.42x = 1,987,124,251,909.21 - Step 5: Solve for x
x = 1,987,124,251,909.21/1,616,113.42 - Step 6: Final answer
x = 1,229,569.80
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1.5x scale
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.