Finding the Fourth Proportional to 1,582,421.49, 2,183,739.03 and 857,287.62
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Solution
The fourth proportional to 1,582,421.49, 2,183,739.03 and 857,287.62 is: 1,183,055.49
Step by Step Solution
- Step 1: Write the proportion equation
1,582,421.49 : 2,183,739.03 = 857,287.62 : x - Step 2: Convert to fraction form
1,582,421.49/2,183,739.03 = 857,287.62/x - Step 3: Cross multiply
1,582,421.49x = 2,183,739.03 × 857,287.62 - Step 4: Simplify right side
1,582,421.49x = 1,872,092,435,729.81 - Step 5: Solve for x
x = 1,872,092,435,729.81/1,582,421.49 - Step 6: Final answer
x = 1,183,055.49
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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.