Finding the Fourth Proportional to 1,688,107.13, 2,532,634.85 and 677,938.41
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Solution
The fourth proportional to 1,688,107.13, 2,532,634.85 and 677,938.41 is: 1,017,098.03
Step by Step Solution
- Step 1: Write the proportion equation
1,688,107.13 : 2,532,634.85 = 677,938.41 : x - Step 2: Convert to fraction form
1,688,107.13/2,532,634.85 = 677,938.41/x - Step 3: Cross multiply
1,688,107.13x = 2,532,634.85 × 677,938.41 - Step 4: Simplify right side
1,688,107.13x = 1,716,970,441,201.03 - Step 5: Solve for x
x = 1,716,970,441,201.03/1,688,107.13 - Step 6: Final answer
x = 1,017,098.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.