Finding the Fourth Proportional to 1,484,811.20, 2,225,661.60 and 585,905.60
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Solution
The fourth proportional to 1,484,811.20, 2,225,661.60 and 585,905.60 is: 878,244.72
Step by Step Solution
- Step 1: Write the proportion equation
1,484,811.20 : 2,225,661.60 = 585,905.60 : x - Step 2: Convert to fraction form
1,484,811.20/2,225,661.60 = 585,905.60/x - Step 3: Cross multiply
1,484,811.20x = 2,225,661.60 × 585,905.60 - Step 4: Simplify right side
1,484,811.20x = 1,304,027,595,144.96 - Step 5: Solve for x
x = 1,304,027,595,144.96/1,484,811.20 - Step 6: Final answer
x = 878,244.72
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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.