Finding the Fourth Proportional to 6,109,811.94, 8,430,603.21 and 3,530,994.69
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Solution
The fourth proportional to 6,109,811.94, 8,430,603.21 and 3,530,994.69 is: 4,872,231.00
Step by Step Solution
- Step 1: Write the proportion equation
6,109,811.94 : 8,430,603.21 = 3,530,994.69 : x - Step 2: Convert to fraction form
6,109,811.94/8,430,603.21 = 3,530,994.69/x - Step 3: Cross multiply
6,109,811.94x = 8,430,603.21 × 3,530,994.69 - Step 4: Simplify right side
6,109,811.94x = 29,768,415,168,006.96 - Step 5: Solve for x
x = 29,768,415,168,006.96/6,109,811.94 - Step 6: Final answer
x = 4,872,231.00
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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.