Finding the Fourth Proportional to 5,452,668.20, 8,178,346.20 and 2,257,461.20
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Solution
The fourth proportional to 5,452,668.20, 8,178,346.20 and 2,257,461.20 is: 3,385,920.17
Step by Step Solution
- Step 1: Write the proportion equation
5,452,668.20 : 8,178,346.20 = 2,257,461.20 : x - Step 2: Convert to fraction form
5,452,668.20/8,178,346.20 = 2,257,461.20/x - Step 3: Cross multiply
5,452,668.20x = 8,178,346.20 × 2,257,461.20 - Step 4: Simplify right side
5,452,668.20x = 18,462,299,226,667.44 - Step 5: Solve for x
x = 18,462,299,226,667.44/5,452,668.20 - Step 6: Final answer
x = 3,385,920.17
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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.