Finding the Fourth Proportional to 1,582,208.23, 2,183,457.84 and 857,055.94
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Solution
The fourth proportional to 1,582,208.23, 2,183,457.84 and 857,055.94 is: 1,182,742.88
Step by Step Solution
- Step 1: Write the proportion equation
1,582,208.23 : 2,183,457.84 = 857,055.94 : x - Step 2: Convert to fraction form
1,582,208.23/2,183,457.84 = 857,055.94/x - Step 3: Cross multiply
1,582,208.23x = 2,183,457.84 × 857,055.94 - Step 4: Simplify right side
1,582,208.23x = 1,871,345,507,226.29 - Step 5: Solve for x
x = 1,871,345,507,226.29/1,582,208.23 - Step 6: Final answer
x = 1,182,742.88
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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.