Finding the Fourth Proportional to 1,582,210.21, 2,183,460.57 and 857,057.92
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Solution
The fourth proportional to 1,582,210.21, 2,183,460.57 and 857,057.92 is: 1,182,745.61
Step by Step Solution
- Step 1: Write the proportion equation
1,582,210.21 : 2,183,460.57 = 857,057.92 : x - Step 2: Convert to fraction form
1,582,210.21/2,183,460.57 = 857,057.92/x - Step 3: Cross multiply
1,582,210.21x = 2,183,460.57 × 857,057.92 - Step 4: Simplify right side
1,582,210.21x = 1,871,352,173,831.24 - Step 5: Solve for x
x = 1,871,352,173,831.24/1,582,210.21 - Step 6: Final answer
x = 1,182,745.61
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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.