Finding the Fourth Proportional to 3,822,805.98, 5,275,487.88 and 2,103,988.14
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Solution
The fourth proportional to 3,822,805.98, 5,275,487.88 and 2,103,988.14 is: 2,903,512.23
Step by Step Solution
- Step 1: Write the proportion equation
3,822,805.98 : 5,275,487.88 = 2,103,988.14 : x - Step 2: Convert to fraction form
3,822,805.98/5,275,487.88 = 2,103,988.14/x - Step 3: Cross multiply
3,822,805.98x = 5,275,487.88 × 2,103,988.14 - Step 4: Simplify right side
3,822,805.98x = 11,099,563,932,233.74 - Step 5: Solve for x
x = 11,099,563,932,233.74/3,822,805.98 - Step 6: Final answer
x = 2,903,512.23
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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.