Finding the Fourth Proportional to 3,318,437.97, 4,579,533 and 1,868,188.41
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Solution
The fourth proportional to 3,318,437.97, 4,579,533 and 1,868,188.41 is: 2,578,149.89
Step by Step Solution
- Step 1: Write the proportion equation
3,318,437.97 : 4,579,533 = 1,868,188.41 : x - Step 2: Convert to fraction form
3,318,437.97/4,579,533 = 1,868,188.41/x - Step 3: Cross multiply
3,318,437.97x = 4,579,533 × 1,868,188.41 - Step 4: Simplify right side
3,318,437.97x = 8,555,430,473,812.53 - Step 5: Solve for x
x = 8,555,430,473,812.53/3,318,437.97 - Step 6: Final answer
x = 2,578,149.89
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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.