Finding the Fourth Proportional to 3,940,483.27, 5,437,798.09 and 2,221,604.95
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Solution
The fourth proportional to 3,940,483.27, 5,437,798.09 and 2,221,604.95 is: 3,065,776.03
Step by Step Solution
- Step 1: Write the proportion equation
3,940,483.27 : 5,437,798.09 = 2,221,604.95 : x - Step 2: Convert to fraction form
3,940,483.27/5,437,798.09 = 2,221,604.95/x - Step 3: Cross multiply
3,940,483.27x = 5,437,798.09 × 2,221,604.95 - Step 4: Simplify right side
3,940,483.27x = 12,080,639,153,844.55 - Step 5: Solve for x
x = 12,080,639,153,844.55/3,940,483.27 - Step 6: Final answer
x = 3,065,776.03
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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.