Finding the Fourth Proportional to 2,220,332.56, 3,064,114.92 and 1,361,366.44
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Solution
The fourth proportional to 2,220,332.56, 3,064,114.92 and 1,361,366.44 is: 1,878,720.01
Step by Step Solution
- Step 1: Write the proportion equation
2,220,332.56 : 3,064,114.92 = 1,361,366.44 : x - Step 2: Convert to fraction form
2,220,332.56/3,064,114.92 = 1,361,366.44/x - Step 3: Cross multiply
2,220,332.56x = 3,064,114.92 × 1,361,366.44 - Step 4: Simplify right side
2,220,332.56x = 4,171,383,220,391.28 - Step 5: Solve for x
x = 4,171,383,220,391.28/2,220,332.56 - Step 6: Final answer
x = 1,878,720.01
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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.