Finding the Fourth Proportional to 5,417,758.67, 7,476,579.74 and 2,970,363.79
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Solution
The fourth proportional to 5,417,758.67, 7,476,579.74 and 2,970,363.79 is: 4,099,141.92
Step by Step Solution
- Step 1: Write the proportion equation
5,417,758.67 : 7,476,579.74 = 2,970,363.79 : x - Step 2: Convert to fraction form
5,417,758.67/7,476,579.74 = 2,970,363.79/x - Step 3: Cross multiply
5,417,758.67x = 7,476,579.74 × 2,970,363.79 - Step 4: Simplify right side
5,417,758.67x = 22,208,161,680,508.90 - Step 5: Solve for x
x = 22,208,161,680,508.90/5,417,758.67 - Step 6: Final answer
x = 4,099,141.92
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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.