Finding the Fourth Proportional to 3,279,918.18, 4,921,298.25 and 1,761,829.98
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Solution
The fourth proportional to 3,279,918.18, 4,921,298.25 and 1,761,829.98 is: 2,643,508.26
Step by Step Solution
- Step 1: Write the proportion equation
3,279,918.18 : 4,921,298.25 = 1,761,829.98 : x - Step 2: Convert to fraction form
3,279,918.18/4,921,298.25 = 1,761,829.98/x - Step 3: Cross multiply
3,279,918.18x = 4,921,298.25 × 1,761,829.98 - Step 4: Simplify right side
3,279,918.18x = 8,670,490,797,371.54 - Step 5: Solve for x
x = 8,670,490,797,371.54/3,279,918.18 - Step 6: Final answer
x = 2,643,508.26
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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.