Finding the Fourth Proportional to 2,688,539.28, 3,710,163.60 and 1,464,840.96
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Solution
The fourth proportional to 2,688,539.28, 3,710,163.60 and 1,464,840.96 is: 2,021,469.30
Step by Step Solution
- Step 1: Write the proportion equation
2,688,539.28 : 3,710,163.60 = 1,464,840.96 : x - Step 2: Convert to fraction form
2,688,539.28/3,710,163.60 = 1,464,840.96/x - Step 3: Cross multiply
2,688,539.28x = 3,710,163.60 × 1,464,840.96 - Step 4: Simplify right side
2,688,539.28x = 5,434,799,609,581.06 - Step 5: Solve for x
x = 5,434,799,609,581.06/2,688,539.28 - Step 6: Final answer
x = 2,021,469.30
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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.