Finding the Fourth Proportional to 2,168,655.08, 2,992,761.36 and 1,201,801.41
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Solution
The fourth proportional to 2,168,655.08, 2,992,761.36 and 1,201,801.41 is: 1,658,495.56
Step by Step Solution
- Step 1: Write the proportion equation
2,168,655.08 : 2,992,761.36 = 1,201,801.41 : x - Step 2: Convert to fraction form
2,168,655.08/2,992,761.36 = 1,201,801.41/x - Step 3: Cross multiply
2,168,655.08x = 2,992,761.36 × 1,201,801.41 - Step 4: Simplify right side
2,168,655.08x = 3,596,704,822,241.52 - Step 5: Solve for x
x = 3,596,704,822,241.52/2,168,655.08 - Step 6: Final answer
x = 1,658,495.56
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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.