Finding the Fourth Proportional to 2,807,059.92, 3,873,765.84 and 1,549,787.76
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Solution
The fourth proportional to 2,807,059.92, 3,873,765.84 and 1,549,787.76 is: 2,138,719.89
Step by Step Solution
- Step 1: Write the proportion equation
2,807,059.92 : 3,873,765.84 = 1,549,787.76 : x - Step 2: Convert to fraction form
2,807,059.92/3,873,765.84 = 1,549,787.76/x - Step 3: Cross multiply
2,807,059.92x = 3,873,765.84 × 1,549,787.76 - Step 4: Simplify right side
2,807,059.92x = 6,003,514,883,938.12 - Step 5: Solve for x
x = 6,003,514,883,938.12/2,807,059.92 - Step 6: Final answer
x = 2,138,719.89
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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.