Finding the Fourth Proportional to 1,434,275.20, 2,151,570.36 and 474,381.12
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Solution
The fourth proportional to 1,434,275.20, 2,151,570.36 and 474,381.12 is: 711,623.79
Step by Step Solution
- Step 1: Write the proportion equation
1,434,275.20 : 2,151,570.36 = 474,381.12 : x - Step 2: Convert to fraction form
1,434,275.20/2,151,570.36 = 474,381.12/x - Step 3: Cross multiply
1,434,275.20x = 2,151,570.36 × 474,381.12 - Step 4: Simplify right side
1,434,275.20x = 1,020,664,357,135.60 - Step 5: Solve for x
x = 1,020,664,357,135.60/1,434,275.20 - Step 6: Final answer
x = 711,623.79
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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.