Finding the Fourth Proportional to 6,637,406.08, 9,957,560.72 and 2,150,135.68
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Solution
The fourth proportional to 6,637,406.08, 9,957,560.72 and 2,150,135.68 is: 3,225,673.75
Step by Step Solution
- Step 1: Write the proportion equation
6,637,406.08 : 9,957,560.72 = 2,150,135.68 : x - Step 2: Convert to fraction form
6,637,406.08/9,957,560.72 = 2,150,135.68/x - Step 3: Cross multiply
6,637,406.08x = 9,957,560.72 × 2,150,135.68 - Step 4: Simplify right side
6,637,406.08x = 21,410,106,589,838.49 - Step 5: Solve for x
x = 21,410,106,589,838.49/6,637,406.08 - Step 6: Final answer
x = 3,225,673.75
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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.