Finding the Fourth Proportional to 3,243,422.99, 4,475,731.36 and 1,793,031.92
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Solution
The fourth proportional to 3,243,422.99, 4,475,731.36 and 1,793,031.92 is: 2,474,277.71
Step by Step Solution
- Step 1: Write the proportion equation
3,243,422.99 : 4,475,731.36 = 1,793,031.92 : x - Step 2: Convert to fraction form
3,243,422.99/4,475,731.36 = 1,793,031.92/x - Step 3: Cross multiply
3,243,422.99x = 4,475,731.36 × 1,793,031.92 - Step 4: Simplify right side
3,243,422.99x = 8,025,129,196,049.18 - Step 5: Solve for x
x = 8,025,129,196,049.18/3,243,422.99 - Step 6: Final answer
x = 2,474,277.71
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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.