Finding the Fourth Proportional to 2,666,615.67, 3,676,455.36 and 1,699,393.05
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Solution
The fourth proportional to 2,666,615.67, 3,676,455.36 and 1,699,393.05 is: 2,342,948.31
Step by Step Solution
- Step 1: Write the proportion equation
2,666,615.67 : 3,676,455.36 = 1,699,393.05 : x - Step 2: Convert to fraction form
2,666,615.67/3,676,455.36 = 1,699,393.05/x - Step 3: Cross multiply
2,666,615.67x = 3,676,455.36 × 1,699,393.05 - Step 4: Simplify right side
2,666,615.67x = 6,247,742,687,419.25 - Step 5: Solve for x
x = 6,247,742,687,419.25/2,666,615.67 - Step 6: Final answer
x = 2,342,948.31
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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.