Finding the Fourth Proportional to 5,447,980.09, 8,169,132.70 and 2,033,458.91
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Solution
The fourth proportional to 5,447,980.09, 8,169,132.70 and 2,033,458.91 is: 3,049,129.29
Step by Step Solution
- Step 1: Write the proportion equation
5,447,980.09 : 8,169,132.70 = 2,033,458.91 : x - Step 2: Convert to fraction form
5,447,980.09/8,169,132.70 = 2,033,458.91/x - Step 3: Cross multiply
5,447,980.09x = 8,169,132.70 × 2,033,458.91 - Step 4: Simplify right side
5,447,980.09x = 16,611,595,675,787.36 - Step 5: Solve for x
x = 16,611,595,675,787.36/5,447,980.09 - Step 6: Final answer
x = 3,049,129.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.