Finding the Fourth Proportional to 2,167,567.62, 3,238,167.98 and 1,403,181.96
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Solution
The fourth proportional to 2,167,567.62, 3,238,167.98 and 1,403,181.96 is: 2,096,238.59
Step by Step Solution
- Step 1: Write the proportion equation
2,167,567.62 : 3,238,167.98 = 1,403,181.96 : x - Step 2: Convert to fraction form
2,167,567.62/3,238,167.98 = 1,403,181.96/x - Step 3: Cross multiply
2,167,567.62x = 3,238,167.98 × 1,403,181.96 - Step 4: Simplify right side
2,167,567.62x = 4,543,738,885,969.73 - Step 5: Solve for x
x = 4,543,738,885,969.73/2,167,567.62 - Step 6: Final answer
x = 2,096,238.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.