Finding the Fourth Proportional to 5,207,377.28, 7,812,313.11 and 2,173,055.18
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Solution
The fourth proportional to 5,207,377.28, 7,812,313.11 and 2,173,055.18 is: 3,260,103.22
Step by Step Solution
- Step 1: Write the proportion equation
5,207,377.28 : 7,812,313.11 = 2,173,055.18 : x - Step 2: Convert to fraction form
5,207,377.28/7,812,313.11 = 2,173,055.18/x - Step 3: Cross multiply
5,207,377.28x = 7,812,313.11 × 2,173,055.18 - Step 4: Simplify right side
5,207,377.28x = 16,976,587,432,405.84 - Step 5: Solve for x
x = 16,976,587,432,405.84/5,207,377.28 - Step 6: Final answer
x = 3,260,103.22
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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.