Finding the Fourth Proportional to 3,747,683.12, 5,171,819.47 and 2,028,803.63
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Solution
The fourth proportional to 3,747,683.12, 5,171,819.47 and 2,028,803.63 is: 2,799,758.08
Step by Step Solution
- Step 1: Write the proportion equation
3,747,683.12 : 5,171,819.47 = 2,028,803.63 : x - Step 2: Convert to fraction form
3,747,683.12/5,171,819.47 = 2,028,803.63/x - Step 3: Cross multiply
3,747,683.12x = 5,171,819.47 × 2,028,803.63 - Step 4: Simplify right side
3,747,683.12x = 10,492,606,083,509.57 - Step 5: Solve for x
x = 10,492,606,083,509.57/3,747,683.12 - Step 6: Final answer
x = 2,799,758.08
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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.