Finding the Fourth Proportional to 4,020,719.64, 5,548,635.95 and 2,185,178.01
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Solution
The fourth proportional to 4,020,719.64, 5,548,635.95 and 2,185,178.01 is: 3,015,568.94
Step by Step Solution
- Step 1: Write the proportion equation
4,020,719.64 : 5,548,635.95 = 2,185,178.01 : x - Step 2: Convert to fraction form
4,020,719.64/5,548,635.95 = 2,185,178.01/x - Step 3: Cross multiply
4,020,719.64x = 5,548,635.95 × 2,185,178.01 - Step 4: Simplify right side
4,020,719.64x = 12,124,757,252,509.57 - Step 5: Solve for x
x = 12,124,757,252,509.57/4,020,719.64 - Step 6: Final answer
x = 3,015,568.94
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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.