Finding the Fourth Proportional to 2,019,917.24, 2,787,544.18 and 1,114,557.56
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Solution
The fourth proportional to 2,019,917.24, 2,787,544.18 and 1,114,557.56 is: 1,538,121.65
Step by Step Solution
- Step 1: Write the proportion equation
2,019,917.24 : 2,787,544.18 = 1,114,557.56 : x - Step 2: Convert to fraction form
2,019,917.24/2,787,544.18 = 1,114,557.56/x - Step 3: Cross multiply
2,019,917.24x = 2,787,544.18 × 1,114,557.56 - Step 4: Simplify right side
2,019,917.24x = 3,106,878,439,653.00 - Step 5: Solve for x
x = 3,106,878,439,653.00/2,019,917.24 - Step 6: Final answer
x = 1,538,121.65
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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.