Finding the Fourth Proportional to 4,490,576.12, 6,195,235.92 and 2,768,707.28
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Solution
The fourth proportional to 4,490,576.12, 6,195,235.92 and 2,768,707.28 is: 3,819,731.44
Step by Step Solution
- Step 1: Write the proportion equation
4,490,576.12 : 6,195,235.92 = 2,768,707.28 : x - Step 2: Convert to fraction form
4,490,576.12/6,195,235.92 = 2,768,707.28/x - Step 3: Cross multiply
4,490,576.12x = 6,195,235.92 × 2,768,707.28 - Step 4: Simplify right side
4,490,576.12x = 17,152,794,793,021.50 - Step 5: Solve for x
x = 17,152,794,793,021.50/4,490,576.12 - Step 6: Final answer
x = 3,819,731.44
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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.