Finding the Fourth Proportional to 4,428,496.60, 6,642,744.90 and 4,344,515.80
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Solution
The fourth proportional to 4,428,496.60, 6,642,744.90 and 4,344,515.80 is: 6,516,773.70
Step by Step Solution
- Step 1: Write the proportion equation
4,428,496.60 : 6,642,744.90 = 4,344,515.80 : x - Step 2: Convert to fraction form
4,428,496.60/6,642,744.90 = 4,344,515.80/x - Step 3: Cross multiply
4,428,496.60x = 6,642,744.90 × 4,344,515.80 - Step 4: Simplify right side
4,428,496.60x = 28,859,510,173,419.42 - Step 5: Solve for x
x = 28,859,510,173,419.42/4,428,496.60 - Step 6: Final answer
x = 6,516,773.70
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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.