Finding the Fourth Proportional to 5,206,287.60, 7,808,711.40 and 1,614,524.40
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Solution
The fourth proportional to 5,206,287.60, 7,808,711.40 and 1,614,524.40 is: 2,421,563.32
Step by Step Solution
- Step 1: Write the proportion equation
5,206,287.60 : 7,808,711.40 = 1,614,524.40 : x - Step 2: Convert to fraction form
5,206,287.60/7,808,711.40 = 1,614,524.40/x - Step 3: Cross multiply
5,206,287.60x = 7,808,711.40 × 1,614,524.40 - Step 4: Simplify right side
5,206,287.60x = 12,607,355,087,858.16 - Step 5: Solve for x
x = 12,607,355,087,858.16/5,206,287.60 - Step 6: Final answer
x = 2,421,563.32
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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.