Finding the Fourth Proportional to 2,368,416.20, 3,552,624.30 and 2,209,785.80
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Solution
The fourth proportional to 2,368,416.20, 3,552,624.30 and 2,209,785.80 is: 3,314,678.70
Step by Step Solution
- Step 1: Write the proportion equation
2,368,416.20 : 3,552,624.30 = 2,209,785.80 : x - Step 2: Convert to fraction form
2,368,416.20/3,552,624.30 = 2,209,785.80/x - Step 3: Cross multiply
2,368,416.20x = 3,552,624.30 × 2,209,785.80 - Step 4: Simplify right side
2,368,416.20x = 7,850,538,730,874.94 - Step 5: Solve for x
x = 7,850,538,730,874.94/2,368,416.20 - Step 6: Final answer
x = 3,314,678.70
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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.