Finding the Fourth Proportional to 1,847,564.76, 2,548,934.46 and 1,122,138.84
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Solution
The fourth proportional to 1,847,564.76, 2,548,934.46 and 1,122,138.84 is: 1,548,123.47
Step by Step Solution
- Step 1: Write the proportion equation
1,847,564.76 : 2,548,934.46 = 1,122,138.84 : x - Step 2: Convert to fraction form
1,847,564.76/2,548,934.46 = 1,122,138.84/x - Step 3: Cross multiply
1,847,564.76x = 2,548,934.46 × 1,122,138.84 - Step 4: Simplify right side
1,847,564.76x = 2,860,258,358,180.43 - Step 5: Solve for x
x = 2,860,258,358,180.43/1,847,564.76 - Step 6: Final answer
x = 1,548,123.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.