Finding the Fourth Proportional to 1,497,639.20, 2,246,199.60 and 550,522.40
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Solution
The fourth proportional to 1,497,639.20, 2,246,199.60 and 550,522.40 is: 825,688.32
Step by Step Solution
- Step 1: Write the proportion equation
1,497,639.20 : 2,246,199.60 = 550,522.40 : x - Step 2: Convert to fraction form
1,497,639.20/2,246,199.60 = 550,522.40/x - Step 3: Cross multiply
1,497,639.20x = 2,246,199.60 × 550,522.40 - Step 4: Simplify right side
1,497,639.20x = 1,236,583,194,671.04 - Step 5: Solve for x
x = 1,236,583,194,671.04/1,497,639.20 - Step 6: Final answer
x = 825,688.32
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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.