Finding the Fourth Proportional to 1,618,986.84, 2,234,464.38 and 940,317
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Solution
The fourth proportional to 1,618,986.84, 2,234,464.38 and 940,317 is: 1,297,789.95
Step by Step Solution
- Step 1: Write the proportion equation
1,618,986.84 : 2,234,464.38 = 940,317 : x - Step 2: Convert to fraction form
1,618,986.84/2,234,464.38 = 940,317/x - Step 3: Cross multiply
1,618,986.84x = 2,234,464.38 × 940,317 - Step 4: Simplify right side
1,618,986.84x = 2,101,104,842,408.46 - Step 5: Solve for x
x = 2,101,104,842,408.46/1,618,986.84 - Step 6: Final answer
x = 1,297,789.95
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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.