Finding the Fourth Proportional to 2,879,718.76, 4,319,105.34 and 960,644.74
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Solution
The fourth proportional to 2,879,718.76, 4,319,105.34 and 960,644.74 is: 1,440,809.39
Step by Step Solution
- Step 1: Write the proportion equation
2,879,718.76 : 4,319,105.34 = 960,644.74 : x - Step 2: Convert to fraction form
2,879,718.76/4,319,105.34 = 960,644.74/x - Step 3: Cross multiply
2,879,718.76x = 4,319,105.34 × 960,644.74 - Step 4: Simplify right side
2,879,718.76x = 4,149,125,826,376.91 - Step 5: Solve for x
x = 4,149,125,826,376.91/2,879,718.76 - Step 6: Final answer
x = 1,440,809.39
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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.