Finding the Fourth Proportional to 2,535,459.40, 3,497,379.24 and 2,070,988.12
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Solution
The fourth proportional to 2,535,459.40, 3,497,379.24 and 2,070,988.12 is: 2,856,693.69
Step by Step Solution
- Step 1: Write the proportion equation
2,535,459.40 : 3,497,379.24 = 2,070,988.12 : x - Step 2: Convert to fraction form
2,535,459.40/3,497,379.24 = 2,070,988.12/x - Step 3: Cross multiply
2,535,459.40x = 3,497,379.24 × 2,070,988.12 - Step 4: Simplify right side
2,535,459.40x = 7,243,030,857,174.63 - Step 5: Solve for x
x = 7,243,030,857,174.63/2,535,459.40 - Step 6: Final answer
x = 2,856,693.69
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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.