Finding the Fourth Proportional to 2,278,648.44, 3,416,920.65 and 838,970.28
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Solution
The fourth proportional to 2,278,648.44, 3,416,920.65 and 838,970.28 is: 1,258,068.08
Step by Step Solution
- Step 1: Write the proportion equation
2,278,648.44 : 3,416,920.65 = 838,970.28 : x - Step 2: Convert to fraction form
2,278,648.44/3,416,920.65 = 838,970.28/x - Step 3: Cross multiply
2,278,648.44x = 3,416,920.65 × 838,970.28 - Step 4: Simplify right side
2,278,648.44x = 2,866,694,874,468.28 - Step 5: Solve for x
x = 2,866,694,874,468.28/2,278,648.44 - Step 6: Final answer
x = 1,258,068.08
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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.