Finding the Fourth Proportional to 3,450,030.60, 5,177,447.15 and 1,428,284.99
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Solution
The fourth proportional to 3,450,030.60, 5,177,447.15 and 1,428,284.99 is: 2,143,421.57
Step by Step Solution
- Step 1: Write the proportion equation
3,450,030.60 : 5,177,447.15 = 1,428,284.99 : x - Step 2: Convert to fraction form
3,450,030.60/5,177,447.15 = 1,428,284.99/x - Step 3: Cross multiply
3,450,030.60x = 5,177,447.15 × 1,428,284.99 - Step 4: Simplify right side
3,450,030.60x = 7,394,870,017,834.62 - Step 5: Solve for x
x = 7,394,870,017,834.62/3,450,030.60 - Step 6: Final answer
x = 2,143,421.57
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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.