Finding the Fourth Proportional to 1,497,643.20, 2,246,205.60 and 550,526.40
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Solution
The fourth proportional to 1,497,643.20, 2,246,205.60 and 550,526.40 is: 825,694.32
Step by Step Solution
- Step 1: Write the proportion equation
1,497,643.20 : 2,246,205.60 = 550,526.40 : x - Step 2: Convert to fraction form
1,497,643.20/2,246,205.60 = 550,526.40/x - Step 3: Cross multiply
1,497,643.20x = 2,246,205.60 × 550,526.40 - Step 4: Simplify right side
1,497,643.20x = 1,236,595,482,627.84 - Step 5: Solve for x
x = 1,236,595,482,627.84/1,497,643.20 - Step 6: Final answer
x = 825,694.32
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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.