Finding the Fourth Proportional to 2,912,585.72, 4,368,177.63 and 890,847.09
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Solution
The fourth proportional to 2,912,585.72, 4,368,177.63 and 890,847.09 is: 1,336,056.24
Step by Step Solution
- Step 1: Write the proportion equation
2,912,585.72 : 4,368,177.63 = 890,847.09 : x - Step 2: Convert to fraction form
2,912,585.72/4,368,177.63 = 890,847.09/x - Step 3: Cross multiply
2,912,585.72x = 4,368,177.63 × 890,847.09 - Step 4: Simplify right side
2,912,585.72x = 3,891,378,330,288.60 - Step 5: Solve for x
x = 3,891,378,330,288.60/2,912,585.72 - Step 6: Final answer
x = 1,336,056.24
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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.