Finding the Fourth Proportional to 2,918,165.48, 4,379,917.97 and 1,479,841.59
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Solution
The fourth proportional to 2,918,165.48, 4,379,917.97 and 1,479,841.59 is: 2,221,116.26
Step by Step Solution
- Step 1: Write the proportion equation
2,918,165.48 : 4,379,917.97 = 1,479,841.59 : x - Step 2: Convert to fraction form
2,918,165.48/4,379,917.97 = 1,479,841.59/x - Step 3: Cross multiply
2,918,165.48x = 4,379,917.97 × 1,479,841.59 - Step 4: Simplify right side
2,918,165.48x = 6,481,584,776,493.98 - Step 5: Solve for x
x = 6,481,584,776,493.98/2,918,165.48 - Step 6: Final answer
x = 2,221,116.26
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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.