Finding the Fourth Proportional to 3,999,178.41, 5,519,008.17 and 2,257,271.99
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Solution
The fourth proportional to 3,999,178.41, 5,519,008.17 and 2,257,271.99 is: 3,115,115.48
Step by Step Solution
- Step 1: Write the proportion equation
3,999,178.41 : 5,519,008.17 = 2,257,271.99 : x - Step 2: Convert to fraction form
3,999,178.41/5,519,008.17 = 2,257,271.99/x - Step 3: Cross multiply
3,999,178.41x = 5,519,008.17 × 2,257,271.99 - Step 4: Simplify right side
3,999,178.41x = 12,457,902,540,924.64 - Step 5: Solve for x
x = 12,457,902,540,924.64/3,999,178.41 - Step 6: Final answer
x = 3,115,115.48
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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.