Finding the Fourth Proportional to 3,266,467.80, 4,899,701.70 and 2,426,659.80
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Solution
The fourth proportional to 3,266,467.80, 4,899,701.70 and 2,426,659.80 is: 3,639,989.70
Step by Step Solution
- Step 1: Write the proportion equation
3,266,467.80 : 4,899,701.70 = 2,426,659.80 : x - Step 2: Convert to fraction form
3,266,467.80/4,899,701.70 = 2,426,659.80/x - Step 3: Cross multiply
3,266,467.80x = 4,899,701.70 × 2,426,659.80 - Step 4: Simplify right side
3,266,467.80x = 11,889,909,147,381.66 - Step 5: Solve for x
x = 11,889,909,147,381.66/3,266,467.80 - Step 6: Final answer
x = 3,639,989.70
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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.