Finding the Fourth Proportional to 6,867,120.64, 9,477,069.36 and 3,811,334.92
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Solution
The fourth proportional to 6,867,120.64, 9,477,069.36 and 3,811,334.92 is: 5,259,887.99
Step by Step Solution
- Step 1: Write the proportion equation
6,867,120.64 : 9,477,069.36 = 3,811,334.92 : x - Step 2: Convert to fraction form
6,867,120.64/9,477,069.36 = 3,811,334.92/x - Step 3: Cross multiply
6,867,120.64x = 9,477,069.36 × 3,811,334.92 - Step 4: Simplify right side
6,867,120.64x = 36,120,285,391,030.05 - Step 5: Solve for x
x = 36,120,285,391,030.05/6,867,120.64 - Step 6: Final answer
x = 5,259,887.99
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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.