Finding the Fourth Proportional to 2,810,148.12, 3,878,098.29 and 1,722,209.49
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Solution
The fourth proportional to 2,810,148.12, 3,878,098.29 and 1,722,209.49 is: 2,376,706.63
Step by Step Solution
- Step 1: Write the proportion equation
2,810,148.12 : 3,878,098.29 = 1,722,209.49 : x - Step 2: Convert to fraction form
2,810,148.12/3,878,098.29 = 1,722,209.49/x - Step 3: Cross multiply
2,810,148.12x = 3,878,098.29 × 1,722,209.49 - Step 4: Simplify right side
2,810,148.12x = 6,678,897,678,190.77 - Step 5: Solve for x
x = 6,678,897,678,190.77/2,810,148.12 - Step 6: Final answer
x = 2,376,706.63
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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.