Finding the Fourth Proportional to 2,567,676.25, 3,543,349.91 and 1,421,731.99
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Solution
The fourth proportional to 2,567,676.25, 3,543,349.91 and 1,421,731.99 is: 1,961,966.16
Step by Step Solution
- Step 1: Write the proportion equation
2,567,676.25 : 3,543,349.91 = 1,421,731.99 : x - Step 2: Convert to fraction form
2,567,676.25/3,543,349.91 = 1,421,731.99/x - Step 3: Cross multiply
2,567,676.25x = 3,543,349.91 × 1,421,731.99 - Step 4: Simplify right side
2,567,676.25x = 5,037,693,918,810.62 - Step 5: Solve for x
x = 5,037,693,918,810.62/2,567,676.25 - Step 6: Final answer
x = 1,961,966.16
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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.