Finding the Fourth Proportional to 2,122,133.58, 2,922,963.77 and 1,631,163.02
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Solution
The fourth proportional to 2,122,133.58, 2,922,963.77 and 1,631,163.02 is: 2,246,715.50
Step by Step Solution
- Step 1: Write the proportion equation
2,122,133.58 : 2,922,963.77 = 1,631,163.02 : x - Step 2: Convert to fraction form
2,122,133.58/2,922,963.77 = 1,631,163.02/x - Step 3: Cross multiply
2,122,133.58x = 2,922,963.77 × 1,631,163.02 - Step 4: Simplify right side
2,122,133.58x = 4,767,830,399,886.87 - Step 5: Solve for x
x = 4,767,830,399,886.87/2,122,133.58 - Step 6: Final answer
x = 2,246,715.50
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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.