Finding the Fourth Proportional to 1,905,908.68, 2,858,860.86 and 1,485,499.24
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Solution
The fourth proportional to 1,905,908.68, 2,858,860.86 and 1,485,499.24 is: 2,228,247.18
Step by Step Solution
- Step 1: Write the proportion equation
1,905,908.68 : 2,858,860.86 = 1,485,499.24 : x - Step 2: Convert to fraction form
1,905,908.68/2,858,860.86 = 1,485,499.24/x - Step 3: Cross multiply
1,905,908.68x = 2,858,860.86 × 1,485,499.24 - Step 4: Simplify right side
1,905,908.68x = 4,246,835,634,795.75 - Step 5: Solve for x
x = 4,246,835,634,795.75/1,905,908.68 - Step 6: Final answer
x = 2,228,247.18
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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.