Finding the Fourth Proportional to 4,512,620.16, 6,768,953.28 and 1,520,830.08
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Solution
The fourth proportional to 4,512,620.16, 6,768,953.28 and 1,520,830.08 is: 2,281,252.88
Step by Step Solution
- Step 1: Write the proportion equation
4,512,620.16 : 6,768,953.28 = 1,520,830.08 : x - Step 2: Convert to fraction form
4,512,620.16/6,768,953.28 = 1,520,830.08/x - Step 3: Cross multiply
4,512,620.16x = 6,768,953.28 × 1,520,830.08 - Step 4: Simplify right side
4,512,620.16x = 10,294,427,758,338.66 - Step 5: Solve for x
x = 10,294,427,758,338.66/4,512,620.16 - Step 6: Final answer
x = 2,281,252.88
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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.