Finding the Fourth Proportional to 5,121,697.93, 7,688,016.14 and 2,205,235.53
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Solution
The fourth proportional to 5,121,697.93, 7,688,016.14 and 2,205,235.53 is: 3,310,208.17
Step by Step Solution
- Step 1: Write the proportion equation
5,121,697.93 : 7,688,016.14 = 2,205,235.53 : x - Step 2: Convert to fraction form
5,121,697.93/7,688,016.14 = 2,205,235.53/x - Step 3: Cross multiply
5,121,697.93x = 7,688,016.14 × 2,205,235.53 - Step 4: Simplify right side
5,121,697.93x = 16,953,886,336,115.28 - Step 5: Solve for x
x = 16,953,886,336,115.28/5,121,697.93 - Step 6: Final answer
x = 3,310,208.17
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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.