Finding the Fourth Proportional to 2,379,029.34, 3,282,972.62 and 1,291,277.80
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Solution
The fourth proportional to 2,379,029.34, 3,282,972.62 and 1,291,277.80 is: 1,781,915.67
Step by Step Solution
- Step 1: Write the proportion equation
2,379,029.34 : 3,282,972.62 = 1,291,277.80 : x - Step 2: Convert to fraction form
2,379,029.34/3,282,972.62 = 1,291,277.80/x - Step 3: Cross multiply
2,379,029.34x = 3,282,972.62 × 1,291,277.80 - Step 4: Simplify right side
2,379,029.34x = 4,239,229,662,213.84 - Step 5: Solve for x
x = 4,239,229,662,213.84/2,379,029.34 - Step 6: Final answer
x = 1,781,915.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.