Finding the Fourth Proportional to 3,317,188.78, 4,579,132.95 and 2,230,090.87
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Solution
The fourth proportional to 3,317,188.78, 4,579,132.95 and 2,230,090.87 is: 3,078,474.96
Step by Step Solution
- Step 1: Write the proportion equation
3,317,188.78 : 4,579,132.95 = 2,230,090.87 : x - Step 2: Convert to fraction form
3,317,188.78/4,579,132.95 = 2,230,090.87/x - Step 3: Cross multiply
3,317,188.78x = 4,579,132.95 × 2,230,090.87 - Step 4: Simplify right side
3,317,188.78x = 10,211,882,584,311.17 - Step 5: Solve for x
x = 10,211,882,584,311.17/3,317,188.78 - Step 6: Final answer
x = 3,078,474.96
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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.