Finding the Fourth Proportional to 2,163,321.14, 2,985,293.12 and 1,183,244.40
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Solution
The fourth proportional to 2,163,321.14, 2,985,293.12 and 1,183,244.40 is: 1,632,828.02
Step by Step Solution
- Step 1: Write the proportion equation
2,163,321.14 : 2,985,293.12 = 1,183,244.40 : x - Step 2: Convert to fraction form
2,163,321.14/2,985,293.12 = 1,183,244.40/x - Step 3: Cross multiply
2,163,321.14x = 2,985,293.12 × 1,183,244.40 - Step 4: Simplify right side
2,163,321.14x = 3,532,331,360,682.31 - Step 5: Solve for x
x = 3,532,331,360,682.31/2,163,321.14 - Step 6: Final answer
x = 1,632,828.02
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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.