Finding the Fourth Proportional to 2,975,278.32, 4,107,861.36 and 2,285,722.08
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Solution
The fourth proportional to 2,975,278.32, 4,107,861.36 and 2,285,722.08 is: 3,155,815.49
Step by Step Solution
- Step 1: Write the proportion equation
2,975,278.32 : 4,107,861.36 = 2,285,722.08 : x - Step 2: Convert to fraction form
2,975,278.32/4,107,861.36 = 2,285,722.08/x - Step 3: Cross multiply
2,975,278.32x = 4,107,861.36 × 2,285,722.08 - Step 4: Simplify right side
2,975,278.32x = 9,389,429,412,130.83 - Step 5: Solve for x
x = 9,389,429,412,130.83/2,975,278.32 - Step 6: Final answer
x = 3,155,815.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.