Finding the Fourth Proportional to 2,442,013.88, 3,369,979.15 and 1,354,451.99
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Solution
The fourth proportional to 2,442,013.88, 3,369,979.15 and 1,354,451.99 is: 1,869,143.74
Step by Step Solution
- Step 1: Write the proportion equation
2,442,013.88 : 3,369,979.15 = 1,354,451.99 : x - Step 2: Convert to fraction form
2,442,013.88/3,369,979.15 = 1,354,451.99/x - Step 3: Cross multiply
2,442,013.88x = 3,369,979.15 × 1,354,451.99 - Step 4: Simplify right side
2,442,013.88x = 4,564,474,945,739.98 - Step 5: Solve for x
x = 4,564,474,945,739.98/2,442,013.88 - Step 6: Final answer
x = 1,869,143.74
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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.