Finding the Fourth Proportional to 1,939,952.84, 2,677,135.71 and 1,124,629.22
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Solution
The fourth proportional to 1,939,952.84, 2,677,135.71 and 1,124,629.22 is: 1,551,988.78
Step by Step Solution
- Step 1: Write the proportion equation
1,939,952.84 : 2,677,135.71 = 1,124,629.22 : x - Step 2: Convert to fraction form
1,939,952.84/2,677,135.71 = 1,124,629.22/x - Step 3: Cross multiply
1,939,952.84x = 2,677,135.71 × 1,124,629.22 - Step 4: Simplify right side
1,939,952.84x = 3,010,785,045,371.45 - Step 5: Solve for x
x = 3,010,785,045,371.45/1,939,952.84 - Step 6: Final answer
x = 1,551,988.78
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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.