Finding the Fourth Proportional to 5,065,534.49, 6,990,449.12 and 2,742,451.46
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Solution
The fourth proportional to 5,065,534.49, 6,990,449.12 and 2,742,451.46 is: 3,784,589.25
Step by Step Solution
- Step 1: Write the proportion equation
5,065,534.49 : 6,990,449.12 = 2,742,451.46 : x - Step 2: Convert to fraction form
5,065,534.49/6,990,449.12 = 2,742,451.46/x - Step 3: Cross multiply
5,065,534.49x = 6,990,449.12 × 2,742,451.46 - Step 4: Simplify right side
5,065,534.49x = 19,170,967,346,535.21 - Step 5: Solve for x
x = 19,170,967,346,535.21/5,065,534.49 - Step 6: Final answer
x = 3,784,589.25
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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.