Finding the Fourth Proportional to 3,591,419.24, 4,956,263.90 and 1,959,931.96
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Solution
The fourth proportional to 3,591,419.24, 4,956,263.90 and 1,959,931.96 is: 2,704,763.60
Step by Step Solution
- Step 1: Write the proportion equation
3,591,419.24 : 4,956,263.90 = 1,959,931.96 : x - Step 2: Convert to fraction form
3,591,419.24/4,956,263.90 = 1,959,931.96/x - Step 3: Cross multiply
3,591,419.24x = 4,956,263.90 × 1,959,931.96 - Step 4: Simplify right side
3,591,419.24x = 9,713,940,019,804.24 - Step 5: Solve for x
x = 9,713,940,019,804.24/3,591,419.24 - Step 6: Final answer
x = 2,704,763.60
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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.