Finding the Fourth Proportional to 2,909,412.24, 4,014,701.28 and 1,620,372.48
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Solution
The fourth proportional to 2,909,412.24, 4,014,701.28 and 1,620,372.48 is: 2,235,953.84
Step by Step Solution
- Step 1: Write the proportion equation
2,909,412.24 : 4,014,701.28 = 1,620,372.48 : x - Step 2: Convert to fraction form
2,909,412.24/4,014,701.28 = 1,620,372.48/x - Step 3: Cross multiply
2,909,412.24x = 4,014,701.28 × 1,620,372.48 - Step 4: Simplify right side
2,909,412.24x = 6,505,311,469,532.78 - Step 5: Solve for x
x = 6,505,311,469,532.78/2,909,412.24 - Step 6: Final answer
x = 2,235,953.84
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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.