Finding the Fourth Proportional to 2,723,719.14, 4,080,263.76 and 2,121,862.26
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Solution
The fourth proportional to 2,723,719.14, 4,080,263.76 and 2,121,862.26 is: 3,178,652.88
Step by Step Solution
- Step 1: Write the proportion equation
2,723,719.14 : 4,080,263.76 = 2,121,862.26 : x - Step 2: Convert to fraction form
2,723,719.14/4,080,263.76 = 2,121,862.26/x - Step 3: Cross multiply
2,723,719.14x = 4,080,263.76 × 2,121,862.26 - Step 4: Simplify right side
2,723,719.14x = 8,657,757,683,189.70 - Step 5: Solve for x
x = 8,657,757,683,189.70/2,723,719.14 - Step 6: Final answer
x = 3,178,652.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.