Finding the Fourth Proportional to 2,217,117.70, 3,325,785.90 and 1,154,235.70
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Solution
The fourth proportional to 2,217,117.70, 3,325,785.90 and 1,154,235.70 is: 1,731,410.48
Step by Step Solution
- Step 1: Write the proportion equation
2,217,117.70 : 3,325,785.90 = 1,154,235.70 : x - Step 2: Convert to fraction form
2,217,117.70/3,325,785.90 = 1,154,235.70/x - Step 3: Cross multiply
2,217,117.70x = 3,325,785.90 × 1,154,235.70 - Step 4: Simplify right side
2,217,117.70x = 3,838,740,816,336.63 - Step 5: Solve for x
x = 3,838,740,816,336.63/2,217,117.70 - Step 6: Final answer
x = 1,731,410.48
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1.5x scale
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.