Finding the Fourth Proportional to 1,486,320.29, 2,228,933.55 and 513,436.99
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Solution
The fourth proportional to 1,486,320.29, 2,228,933.55 and 513,436.99 is: 769,966.57
Step by Step Solution
- Step 1: Write the proportion equation
1,486,320.29 : 2,228,933.55 = 513,436.99 : x - Step 2: Convert to fraction form
1,486,320.29/2,228,933.55 = 513,436.99/x - Step 3: Cross multiply
1,486,320.29x = 2,228,933.55 × 513,436.99 - Step 4: Simplify right side
1,486,320.29x = 1,144,416,932,822.01 - Step 5: Solve for x
x = 1,144,416,932,822.01/1,486,320.29 - Step 6: Final answer
x = 769,966.57
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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.