Finding the Fourth Proportional to 5,079,749.35, 7,010,058.65 and 2,756,641.87
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Solution
The fourth proportional to 5,079,749.35, 7,010,058.65 and 2,756,641.87 is: 3,804,168.25
Step by Step Solution
- Step 1: Write the proportion equation
5,079,749.35 : 7,010,058.65 = 2,756,641.87 : x - Step 2: Convert to fraction form
5,079,749.35/7,010,058.65 = 2,756,641.87/x - Step 3: Cross multiply
5,079,749.35x = 7,010,058.65 × 2,756,641.87 - Step 4: Simplify right side
5,079,749.35x = 19,324,221,185,745.68 - Step 5: Solve for x
x = 19,324,221,185,745.68/5,079,749.35 - Step 6: Final answer
x = 3,804,168.25
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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.