Finding the Fourth Proportional to 1,339,622.15, 2,009,498.83 and 540,803.99
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Solution
The fourth proportional to 1,339,622.15, 2,009,498.83 and 540,803.99 is: 811,232.48
Step by Step Solution
- Step 1: Write the proportion equation
1,339,622.15 : 2,009,498.83 = 540,803.99 : x - Step 2: Convert to fraction form
1,339,622.15/2,009,498.83 = 540,803.99/x - Step 3: Cross multiply
1,339,622.15x = 2,009,498.83 × 540,803.99 - Step 4: Simplify right side
1,339,622.15x = 1,086,744,988,836.07 - Step 5: Solve for x
x = 1,086,744,988,836.07/1,339,622.15 - Step 6: Final answer
x = 811,232.48
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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.