Finding the Fourth Proportional to 2,561,903.86, 3,535,610.70 and 1,415,959.60
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Solution
The fourth proportional to 2,561,903.86, 3,535,610.70 and 1,415,959.60 is: 1,954,125.60
Step by Step Solution
- Step 1: Write the proportion equation
2,561,903.86 : 3,535,610.70 = 1,415,959.60 : x - Step 2: Convert to fraction form
2,561,903.86/3,535,610.70 = 1,415,959.60/x - Step 3: Cross multiply
2,561,903.86x = 3,535,610.70 × 1,415,959.60 - Step 4: Simplify right side
2,561,903.86x = 5,006,281,912,527.72 - Step 5: Solve for x
x = 5,006,281,912,527.72/2,561,903.86 - Step 6: Final answer
x = 1,954,125.60
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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.