Finding the Fourth Proportional to 1,418,788.12, 2,128,182.18 and 946,396.12
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Solution
The fourth proportional to 1,418,788.12, 2,128,182.18 and 946,396.12 is: 1,419,594.18
Step by Step Solution
- Step 1: Write the proportion equation
1,418,788.12 : 2,128,182.18 = 946,396.12 : x - Step 2: Convert to fraction form
1,418,788.12/2,128,182.18 = 946,396.12/x - Step 3: Cross multiply
1,418,788.12x = 2,128,182.18 × 946,396.12 - Step 4: Simplify right side
1,418,788.12x = 2,014,103,357,805.14 - Step 5: Solve for x
x = 2,014,103,357,805.14/1,418,788.12 - Step 6: Final answer
x = 1,419,594.18
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1.5x scale
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.