Finding the Fourth Proportional to 1,799,299.17, 2,699,421.35 and 646,662.06
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Solution
The fourth proportional to 1,799,299.17, 2,699,421.35 and 646,662.06 is: 970,162.94
Step by Step Solution
- Step 1: Write the proportion equation
1,799,299.17 : 2,699,421.35 = 646,662.06 : x - Step 2: Convert to fraction form
1,799,299.17/2,699,421.35 = 646,662.06/x - Step 3: Cross multiply
1,799,299.17x = 2,699,421.35 × 646,662.06 - Step 4: Simplify right side
1,799,299.17x = 1,745,613,367,765.67 - Step 5: Solve for x
x = 1,745,613,367,765.67/1,799,299.17 - Step 6: Final answer
x = 970,162.94
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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.