Finding the Fourth Proportional to 2,220,920.20, 3,064,866.42 and 1,202,324.68
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Solution
The fourth proportional to 2,220,920.20, 3,064,866.42 and 1,202,324.68 is: 1,659,206.19
Step by Step Solution
- Step 1: Write the proportion equation
2,220,920.20 : 3,064,866.42 = 1,202,324.68 : x - Step 2: Convert to fraction form
2,220,920.20/3,064,866.42 = 1,202,324.68/x - Step 3: Cross multiply
2,220,920.20x = 3,064,866.42 × 1,202,324.68 - Step 4: Simplify right side
2,220,920.20x = 3,684,964,537,669.25 - Step 5: Solve for x
x = 3,684,964,537,669.25/2,220,920.20 - Step 6: Final answer
x = 1,659,206.19
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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.