Finding the Fourth Proportional to 2,278,929.76, 3,144,794.80 and 1,246,232.48
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Solution
The fourth proportional to 2,278,929.76, 3,144,794.80 and 1,246,232.48 is: 1,719,730.68
Step by Step Solution
- Step 1: Write the proportion equation
2,278,929.76 : 3,144,794.80 = 1,246,232.48 : x - Step 2: Convert to fraction form
2,278,929.76/3,144,794.80 = 1,246,232.48/x - Step 3: Cross multiply
2,278,929.76x = 3,144,794.80 × 1,246,232.48 - Step 4: Simplify right side
2,278,929.76x = 3,919,145,422,695.10 - Step 5: Solve for x
x = 3,919,145,422,695.10/2,278,929.76 - Step 6: Final answer
x = 1,719,730.68
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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.