Finding the Fourth Proportional to 2,220,903.26, 3,064,853.40 and 1,202,305.58
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Solution
The fourth proportional to 2,220,903.26, 3,064,853.40 and 1,202,305.58 is: 1,659,185.44
Step by Step Solution
- Step 1: Write the proportion equation
2,220,903.26 : 3,064,853.40 = 1,202,305.58 : x - Step 2: Convert to fraction form
2,220,903.26/3,064,853.40 = 1,202,305.58/x - Step 3: Cross multiply
2,220,903.26x = 3,064,853.40 × 1,202,305.58 - Step 4: Simplify right side
2,220,903.26x = 3,684,890,344,701.97 - Step 5: Solve for x
x = 3,684,890,344,701.97/2,220,903.26 - Step 6: Final answer
x = 1,659,185.44
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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.