Finding the Fourth Proportional to 2,854,778.68, 4,282,171.26 and 961,361.56
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Solution
The fourth proportional to 2,854,778.68, 4,282,171.26 and 961,361.56 is: 1,442,043.43
Step by Step Solution
- Step 1: Write the proportion equation
2,854,778.68 : 4,282,171.26 = 961,361.56 : x - Step 2: Convert to fraction form
2,854,778.68/4,282,171.26 = 961,361.56/x - Step 3: Cross multiply
2,854,778.68x = 4,282,171.26 × 961,361.56 - Step 4: Simplify right side
2,854,778.68x = 4,116,714,842,700.77 - Step 5: Solve for x
x = 4,116,714,842,700.77/2,854,778.68 - Step 6: Final answer
x = 1,442,043.43
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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.