Finding the Fourth Proportional to 3,390,349.12, 4,679,909.49 and 2,244,798.52
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Solution
The fourth proportional to 3,390,349.12, 4,679,909.49 and 2,244,798.52 is: 3,098,634.84
Step by Step Solution
- Step 1: Write the proportion equation
3,390,349.12 : 4,679,909.49 = 2,244,798.52 : x - Step 2: Convert to fraction form
3,390,349.12/4,679,909.49 = 2,244,798.52/x - Step 3: Cross multiply
3,390,349.12x = 4,679,909.49 × 2,244,798.52 - Step 4: Simplify right side
3,390,349.12x = 10,505,453,893,604.18 - Step 5: Solve for x
x = 10,505,453,893,604.18/3,390,349.12 - Step 6: Final answer
x = 3,098,634.84
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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.