Finding the Fourth Proportional to 3,039,284.20, 4,558,926.30 and 1,266,125.80
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Solution
The fourth proportional to 3,039,284.20, 4,558,926.30 and 1,266,125.80 is: 1,899,188.70
Step by Step Solution
- Step 1: Write the proportion equation
3,039,284.20 : 4,558,926.30 = 1,266,125.80 : x - Step 2: Convert to fraction form
3,039,284.20/4,558,926.30 = 1,266,125.80/x - Step 3: Cross multiply
3,039,284.20x = 4,558,926.30 × 1,266,125.80 - Step 4: Simplify right side
3,039,284.20x = 5,772,174,208,728.54 - Step 5: Solve for x
x = 5,772,174,208,728.54/3,039,284.20 - Step 6: Final answer
x = 1,899,188.70
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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.