Finding the Fourth Proportional to 5,172,225.14, 7,137,159.80 and 2,880,599.06
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Solution
The fourth proportional to 5,172,225.14, 7,137,159.80 and 2,880,599.06 is: 3,974,942.17
Step by Step Solution
- Step 1: Write the proportion equation
5,172,225.14 : 7,137,159.80 = 2,880,599.06 : x - Step 2: Convert to fraction form
5,172,225.14/7,137,159.80 = 2,880,599.06/x - Step 3: Cross multiply
5,172,225.14x = 7,137,159.80 × 2,880,599.06 - Step 4: Simplify right side
5,172,225.14x = 20,559,295,810,949.79 - Step 5: Solve for x
x = 20,559,295,810,949.79/5,172,225.14 - Step 6: Final answer
x = 3,974,942.17
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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.