Finding the Fourth Proportional to 4,072,642.30, 5,619,918.62 and 2,353,874.14
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Solution
The fourth proportional to 4,072,642.30, 5,619,918.62 and 2,353,874.14 is: 3,248,156.88
Step by Step Solution
- Step 1: Write the proportion equation
4,072,642.30 : 5,619,918.62 = 2,353,874.14 : x - Step 2: Convert to fraction form
4,072,642.30/5,619,918.62 = 2,353,874.14/x - Step 3: Cross multiply
4,072,642.30x = 5,619,918.62 × 2,353,874.14 - Step 4: Simplify right side
4,072,642.30x = 13,228,581,108,522.49 - Step 5: Solve for x
x = 13,228,581,108,522.49/4,072,642.30 - Step 6: Final answer
x = 3,248,156.88
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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.