Finding the Fourth Proportional to 6,230,659.14, 9,345,913.50 and 1,619,236.90
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Solution
The fourth proportional to 6,230,659.14, 9,345,913.50 and 1,619,236.90 is: 2,428,835.80
Step by Step Solution
- Step 1: Write the proportion equation
6,230,659.14 : 9,345,913.50 = 1,619,236.90 : x - Step 2: Convert to fraction form
6,230,659.14/9,345,913.50 = 1,619,236.90/x - Step 3: Cross multiply
6,230,659.14x = 9,345,913.50 × 1,619,236.90 - Step 4: Simplify right side
6,230,659.14x = 15,133,248,003,408.15 - Step 5: Solve for x
x = 15,133,248,003,408.15/6,230,659.14 - Step 6: Final answer
x = 2,428,835.80
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1.5x scale
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.