Finding the Fourth Proportional to 1,542,902.99, 2,314,723.84 and 643,844.50
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Solution
The fourth proportional to 1,542,902.99, 2,314,723.84 and 643,844.50 is: 965,920.88
Step by Step Solution
- Step 1: Write the proportion equation
1,542,902.99 : 2,314,723.84 = 643,844.50 : x - Step 2: Convert to fraction form
1,542,902.99/2,314,723.84 = 643,844.50/x - Step 3: Cross multiply
1,542,902.99x = 2,314,723.84 × 643,844.50 - Step 4: Simplify right side
1,542,902.99x = 1,490,322,206,006.46 - Step 5: Solve for x
x = 1,490,322,206,006.46/1,542,902.99 - Step 6: Final answer
x = 965,920.88
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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.