Finding the Fourth Proportional to 5,079,745.36, 7,010,053.12 and 2,756,637.87
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Solution
The fourth proportional to 5,079,745.36, 7,010,053.12 and 2,756,637.87 is: 3,804,162.71
Step by Step Solution
- Step 1: Write the proportion equation
5,079,745.36 : 7,010,053.12 = 2,756,637.87 : x - Step 2: Convert to fraction form
5,079,745.36/7,010,053.12 = 2,756,637.87/x - Step 3: Cross multiply
5,079,745.36x = 7,010,053.12 × 2,756,637.87 - Step 4: Simplify right side
5,079,745.36x = 19,324,177,880,400.22 - Step 5: Solve for x
x = 19,324,177,880,400.22/5,079,745.36 - Step 6: Final answer
x = 3,804,162.71
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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.