Finding the Fourth Proportional to 3,417,416.05, 4,715,982.33 and 1,868,682.67
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Solution
The fourth proportional to 3,417,416.05, 4,715,982.33 and 1,868,682.67 is: 2,578,753.75
Step by Step Solution
- Step 1: Write the proportion equation
3,417,416.05 : 4,715,982.33 = 1,868,682.67 : x - Step 2: Convert to fraction form
3,417,416.05/4,715,982.33 = 1,868,682.67/x - Step 3: Cross multiply
3,417,416.05x = 4,715,982.33 × 1,868,682.67 - Step 4: Simplify right side
3,417,416.05x = 8,812,674,452,097.22 - Step 5: Solve for x
x = 8,812,674,452,097.22/3,417,416.05 - Step 6: Final answer
x = 2,578,753.75
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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.