Finding the Fourth Proportional to 2,104,847.93, 2,904,697.17 and 1,137,985.09
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Solution
The fourth proportional to 2,104,847.93, 2,904,697.17 and 1,137,985.09 is: 1,570,423.22
Step by Step Solution
- Step 1: Write the proportion equation
2,104,847.93 : 2,904,697.17 = 1,137,985.09 : x - Step 2: Convert to fraction form
2,104,847.93/2,904,697.17 = 1,137,985.09/x - Step 3: Cross multiply
2,104,847.93x = 2,904,697.17 × 1,137,985.09 - Step 4: Simplify right side
2,104,847.93x = 3,305,502,063,163.45 - Step 5: Solve for x
x = 3,305,502,063,163.45/2,104,847.93 - Step 6: Final answer
x = 1,570,423.22
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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.