Finding the Fourth Proportional to 2,100,749.96, 2,898,871.26 and 1,241,147.18
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Solution
The fourth proportional to 2,100,749.96, 2,898,871.26 and 1,241,147.18 is: 1,712,686.40
Step by Step Solution
- Step 1: Write the proportion equation
2,100,749.96 : 2,898,871.26 = 1,241,147.18 : x - Step 2: Convert to fraction form
2,100,749.96/2,898,871.26 = 1,241,147.18/x - Step 3: Cross multiply
2,100,749.96x = 2,898,871.26 × 1,241,147.18 - Step 4: Simplify right side
2,100,749.96x = 3,597,925,889,532.05 - Step 5: Solve for x
x = 3,597,925,889,532.05/2,100,749.96 - Step 6: Final answer
x = 1,712,686.40
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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.