Finding the Fourth Proportional to 2,163,325.63, 2,986,308.60 and 1,347,932.18
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Solution
The fourth proportional to 2,163,325.63, 2,986,308.60 and 1,347,932.18 is: 1,860,719.16
Step by Step Solution
- Step 1: Write the proportion equation
2,163,325.63 : 2,986,308.60 = 1,347,932.18 : x - Step 2: Convert to fraction form
2,163,325.63/2,986,308.60 = 1,347,932.18/x - Step 3: Cross multiply
2,163,325.63x = 2,986,308.60 × 1,347,932.18 - Step 4: Simplify right side
2,163,325.63x = 4,025,341,459,153.84 - Step 5: Solve for x
x = 4,025,341,459,153.84/2,163,325.63 - Step 6: Final answer
x = 1,860,719.16
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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.