Finding the Fourth Proportional to 2,847,900.12, 3,929,950.76 and 1,558,491.41
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Solution
The fourth proportional to 2,847,900.12, 3,929,950.76 and 1,558,491.41 is: 2,150,635.28
Step by Step Solution
- Step 1: Write the proportion equation
2,847,900.12 : 3,929,950.76 = 1,558,491.41 : x - Step 2: Convert to fraction form
2,847,900.12/3,929,950.76 = 1,558,491.41/x - Step 3: Cross multiply
2,847,900.12x = 3,929,950.76 × 1,558,491.41 - Step 4: Simplify right side
2,847,900.12x = 6,124,794,473,740.76 - Step 5: Solve for x
x = 6,124,794,473,740.76/2,847,900.12 - Step 6: Final answer
x = 2,150,635.28
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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.