Finding the Fourth Proportional to 3,471,288.30, 5,185,823.04 and 2,246,890.91
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Solution
The fourth proportional to 3,471,288.30, 5,185,823.04 and 2,246,890.91 is: 3,356,672.69
Step by Step Solution
- Step 1: Write the proportion equation
3,471,288.30 : 5,185,823.04 = 2,246,890.91 : x - Step 2: Convert to fraction form
3,471,288.30/5,185,823.04 = 2,246,890.91/x - Step 3: Cross multiply
3,471,288.30x = 5,185,823.04 × 2,246,890.91 - Step 4: Simplify right side
3,471,288.30x = 11,651,978,623,515.45 - Step 5: Solve for x
x = 11,651,978,623,515.45/3,471,288.30 - Step 6: Final answer
x = 3,356,672.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.