Finding the Fourth Proportional to 4,939,745.79, 7,410,324.65 and 1,528,323.72
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Solution
The fourth proportional to 4,939,745.79, 7,410,324.65 and 1,528,323.72 is: 2,292,704.00
Step by Step Solution
- Step 1: Write the proportion equation
4,939,745.79 : 7,410,324.65 = 1,528,323.72 : x - Step 2: Convert to fraction form
4,939,745.79/7,410,324.65 = 1,528,323.72/x - Step 3: Cross multiply
4,939,745.79x = 7,410,324.65 × 1,528,323.72 - Step 4: Simplify right side
4,939,745.79x = 11,325,374,927,854.08 - Step 5: Solve for x
x = 11,325,374,927,854.08/4,939,745.79 - Step 6: Final answer
x = 2,292,704.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.