Finding the Fourth Proportional to 2,879,705.79, 4,319,085.84 and 960,631.74
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Solution
The fourth proportional to 2,879,705.79, 4,319,085.84 and 960,631.74 is: 1,440,789.88
Step by Step Solution
- Step 1: Write the proportion equation
2,879,705.79 : 4,319,085.84 = 960,631.74 : x - Step 2: Convert to fraction form
2,879,705.79/4,319,085.84 = 960,631.74/x - Step 3: Cross multiply
2,879,705.79x = 4,319,085.84 × 960,631.74 - Step 4: Simplify right side
2,879,705.79x = 4,149,050,945,688.56 - Step 5: Solve for x
x = 4,149,050,945,688.56/2,879,705.79 - Step 6: Final answer
x = 1,440,789.88
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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.