Finding the Fourth Proportional to 2,274,862.19, 3,139,309.31 and 1,256,266.94
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Solution
The fourth proportional to 2,274,862.19, 3,139,309.31 and 1,256,266.94 is: 1,733,648.09
Step by Step Solution
- Step 1: Write the proportion equation
2,274,862.19 : 3,139,309.31 = 1,256,266.94 : x - Step 2: Convert to fraction form
2,274,862.19/3,139,309.31 = 1,256,266.94/x - Step 3: Cross multiply
2,274,862.19x = 3,139,309.31 × 1,256,266.94 - Step 4: Simplify right side
2,274,862.19x = 3,943,810,478,609.33 - Step 5: Solve for x
x = 3,943,810,478,609.33/2,274,862.19 - Step 6: Final answer
x = 1,733,648.09
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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.