Finding the Fourth Proportional to 2,018,367.64, 2,748,035.44 and 2,012,069.08
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Solution
The fourth proportional to 2,018,367.64, 2,748,035.44 and 2,012,069.08 is: 2,739,459.86
Step by Step Solution
- Step 1: Write the proportion equation
2,018,367.64 : 2,748,035.44 = 2,012,069.08 : x - Step 2: Convert to fraction form
2,018,367.64/2,748,035.44 = 2,012,069.08/x - Step 3: Cross multiply
2,018,367.64x = 2,748,035.44 × 2,012,069.08 - Step 4: Simplify right side
2,018,367.64x = 5,529,237,139,568.20 - Step 5: Solve for x
x = 5,529,237,139,568.20/2,018,367.64 - Step 6: Final answer
x = 2,739,459.86
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.