Finding the Fourth Proportional to 2,278,785.80, 3,416,040.30 and 859,795.40
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Solution
The fourth proportional to 2,278,785.80, 3,416,040.30 and 859,795.40 is: 1,288,886.27
Step by Step Solution
- Step 1: Write the proportion equation
2,278,785.80 : 3,416,040.30 = 859,795.40 : x - Step 2: Convert to fraction form
2,278,785.80/3,416,040.30 = 859,795.40/x - Step 3: Cross multiply
2,278,785.80x = 3,416,040.30 × 859,795.40 - Step 4: Simplify right side
2,278,785.80x = 2,937,095,736,154.62 - Step 5: Solve for x
x = 2,937,095,736,154.62/2,278,785.80 - Step 6: Final answer
x = 1,288,886.27
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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.