Finding the Fourth Proportional to 2,265,122.56, 3,125,869.60 and 1,246,527.32
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Solution
The fourth proportional to 2,265,122.56, 3,125,869.60 and 1,246,527.32 is: 1,720,207.96
Step by Step Solution
- Step 1: Write the proportion equation
2,265,122.56 : 3,125,869.60 = 1,246,527.32 : x - Step 2: Convert to fraction form
2,265,122.56/3,125,869.60 = 1,246,527.32/x - Step 3: Cross multiply
2,265,122.56x = 3,125,869.60 × 1,246,527.32 - Step 4: Simplify right side
2,265,122.56x = 3,896,481,855,157.47 - Step 5: Solve for x
x = 3,896,481,855,157.47/2,265,122.56 - Step 6: Final answer
x = 1,720,207.96
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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.