Finding the Fourth Proportional to 1,399,119.81, 1,930,613.67 and 882,678.93
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Solution
The fourth proportional to 1,399,119.81, 1,930,613.67 and 882,678.93 is: 1,217,988.62
Step by Step Solution
- Step 1: Write the proportion equation
1,399,119.81 : 1,930,613.67 = 882,678.93 : x - Step 2: Convert to fraction form
1,399,119.81/1,930,613.67 = 882,678.93/x - Step 3: Cross multiply
1,399,119.81x = 1,930,613.67 × 882,678.93 - Step 4: Simplify right side
1,399,119.81x = 1,704,112,008,478.97 - Step 5: Solve for x
x = 1,704,112,008,478.97/1,399,119.81 - Step 6: Final answer
x = 1,217,988.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.