Finding the Fourth Proportional to 1,419,102.95, 2,128,934.84 and 520,553.03
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Solution
The fourth proportional to 1,419,102.95, 2,128,934.84 and 520,553.03 is: 780,932.40
Step by Step Solution
- Step 1: Write the proportion equation
1,419,102.95 : 2,128,934.84 = 520,553.03 : x - Step 2: Convert to fraction form
1,419,102.95/2,128,934.84 = 520,553.03/x - Step 3: Cross multiply
1,419,102.95x = 2,128,934.84 × 520,553.03 - Step 4: Simplify right side
1,419,102.95x = 1,108,223,468,387.13 - Step 5: Solve for x
x = 1,108,223,468,387.13/1,419,102.95 - Step 6: Final answer
x = 780,932.40
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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.