Finding the Fourth Proportional to 5,172,731.46, 7,138,590 and 2,880,892.18
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Solution
The fourth proportional to 5,172,731.46, 7,138,590 and 2,880,892.18 is: 3,975,754.06
Step by Step Solution
- Step 1: Write the proportion equation
5,172,731.46 : 7,138,590 = 2,880,892.18 : x - Step 2: Convert to fraction form
5,172,731.46/7,138,590 = 2,880,892.18/x - Step 3: Cross multiply
5,172,731.46x = 7,138,590 × 2,880,892.18 - Step 4: Simplify right side
5,172,731.46x = 20,565,508,107,226.20 - Step 5: Solve for x
x = 20,565,508,107,226.20/5,172,731.46 - Step 6: Final answer
x = 3,975,754.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.