Finding the Fourth Proportional to 4,340,655.18, 5,989,812.12 and 2,406,844.14
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Solution
The fourth proportional to 4,340,655.18, 5,989,812.12 and 2,406,844.14 is: 3,321,282.99
Step by Step Solution
- Step 1: Write the proportion equation
4,340,655.18 : 5,989,812.12 = 2,406,844.14 : x - Step 2: Convert to fraction form
4,340,655.18/5,989,812.12 = 2,406,844.14/x - Step 3: Cross multiply
4,340,655.18x = 5,989,812.12 × 2,406,844.14 - Step 4: Simplify right side
4,340,655.18x = 14,416,544,200,722.98 - Step 5: Solve for x
x = 14,416,544,200,722.98/4,340,655.18 - Step 6: Final answer
x = 3,321,282.99
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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.