Finding the Fourth Proportional to 4,744,890.68, 7,115,864.01 and 1,711,862.26
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Solution
The fourth proportional to 4,744,890.68, 7,115,864.01 and 1,711,862.26 is: 2,567,262.32
Step by Step Solution
- Step 1: Write the proportion equation
4,744,890.68 : 7,115,864.01 = 1,711,862.26 : x - Step 2: Convert to fraction form
4,744,890.68/7,115,864.01 = 1,711,862.26/x - Step 3: Cross multiply
4,744,890.68x = 7,115,864.01 × 1,711,862.26 - Step 4: Simplify right side
4,744,890.68x = 12,181,379,046,011.26 - Step 5: Solve for x
x = 12,181,379,046,011.26/4,744,890.68 - Step 6: Final answer
x = 2,567,262.32
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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.