Finding the Fourth Proportional to 3,214,970.31, 4,436,716.41 and 1,764,800.76
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Solution
The fourth proportional to 3,214,970.31, 4,436,716.41 and 1,764,800.76 is: 2,435,456.55
Step by Step Solution
- Step 1: Write the proportion equation
3,214,970.31 : 4,436,716.41 = 1,764,800.76 : x - Step 2: Convert to fraction form
3,214,970.31/4,436,716.41 = 1,764,800.76/x - Step 3: Cross multiply
3,214,970.31x = 4,436,716.41 × 1,764,800.76 - Step 4: Simplify right side
3,214,970.31x = 7,829,920,492,272.47 - Step 5: Solve for x
x = 7,829,920,492,272.47/3,214,970.31 - Step 6: Final answer
x = 2,435,456.55
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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.