Finding the Fourth Proportional to 2,119,121.38, 2,925,234.57 and 1,303,655.50
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Solution
The fourth proportional to 2,119,121.38, 2,925,234.57 and 1,303,655.50 is: 1,799,565.69
Step by Step Solution
- Step 1: Write the proportion equation
2,119,121.38 : 2,925,234.57 = 1,303,655.50 : x - Step 2: Convert to fraction form
2,119,121.38/2,925,234.57 = 1,303,655.50/x - Step 3: Cross multiply
2,119,121.38x = 2,925,234.57 × 1,303,655.50 - Step 4: Simplify right side
2,119,121.38x = 3,813,498,135,970.64 - Step 5: Solve for x
x = 3,813,498,135,970.64/2,119,121.38 - Step 6: Final answer
x = 1,799,565.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.