Finding the Fourth Proportional to 2,439,354.12, 3,658,699.01 and 642,087.09
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Solution
The fourth proportional to 2,439,354.12, 3,658,699.01 and 642,087.09 is: 963,043.20
Step by Step Solution
- Step 1: Write the proportion equation
2,439,354.12 : 3,658,699.01 = 642,087.09 : x - Step 2: Convert to fraction form
2,439,354.12/3,658,699.01 = 642,087.09/x - Step 3: Cross multiply
2,439,354.12x = 3,658,699.01 × 642,087.09 - Step 4: Simplify right side
2,439,354.12x = 2,349,203,397,306.35 - Step 5: Solve for x
x = 2,349,203,397,306.35/2,439,354.12 - Step 6: Final answer
x = 963,043.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.