Finding the Fourth Proportional to 1,948,114.12, 2,688,455.22 and 1,088,676.84
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Solution
The fourth proportional to 1,948,114.12, 2,688,455.22 and 1,088,676.84 is: 1,502,406.30
Step by Step Solution
- Step 1: Write the proportion equation
1,948,114.12 : 2,688,455.22 = 1,088,676.84 : x - Step 2: Convert to fraction form
1,948,114.12/2,688,455.22 = 1,088,676.84/x - Step 3: Cross multiply
1,948,114.12x = 2,688,455.22 × 1,088,676.84 - Step 4: Simplify right side
1,948,114.12x = 2,926,858,933,391.11 - Step 5: Solve for x
x = 2,926,858,933,391.11/1,948,114.12 - Step 6: Final answer
x = 1,502,406.30
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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.