Finding the Fourth Proportional to 1,582,422.08, 2,183,739.55 and 857,287.90
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Solution
The fourth proportional to 1,582,422.08, 2,183,739.55 and 857,287.90 is: 1,183,055.72
Step by Step Solution
- Step 1: Write the proportion equation
1,582,422.08 : 2,183,739.55 = 857,287.90 : x - Step 2: Convert to fraction form
1,582,422.08/2,183,739.55 = 857,287.90/x - Step 3: Cross multiply
1,582,422.08x = 2,183,739.55 × 857,287.90 - Step 4: Simplify right side
1,582,422.08x = 1,872,093,493,552.90 - Step 5: Solve for x
x = 1,872,093,493,552.90/1,582,422.08 - Step 6: Final answer
x = 1,183,055.72
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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.