Finding the Fourth Proportional to 4,428,496.40, 6,642,744.60 and 2,832,861.20
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Solution
The fourth proportional to 4,428,496.40, 6,642,744.60 and 2,832,861.20 is: 4,249,291.80
Step by Step Solution
- Step 1: Write the proportion equation
4,428,496.40 : 6,642,744.60 = 2,832,861.20 : x - Step 2: Convert to fraction form
4,428,496.40/6,642,744.60 = 2,832,861.20/x - Step 3: Cross multiply
4,428,496.40x = 6,642,744.60 × 2,832,861.20 - Step 4: Simplify right side
4,428,496.40x = 18,817,973,438,849.52 - Step 5: Solve for x
x = 18,817,973,438,849.52/4,428,496.40 - Step 6: Final answer
x = 4,249,291.80
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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.