Finding the Fourth Proportional to 3,723,784.71, 5,585,668.81 and 991,332.79
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Solution
The fourth proportional to 3,723,784.71, 5,585,668.81 and 991,332.79 is: 1,486,996.98
Step by Step Solution
- Step 1: Write the proportion equation
3,723,784.71 : 5,585,668.81 = 991,332.79 : x - Step 2: Convert to fraction form
3,723,784.71/5,585,668.81 = 991,332.79/x - Step 3: Cross multiply
3,723,784.71x = 5,585,668.81 × 991,332.79 - Step 4: Simplify right side
3,723,784.71x = 5,537,256,628,990.78 - Step 5: Solve for x
x = 5,537,256,628,990.78/3,723,784.71 - Step 6: Final answer
x = 1,486,996.98
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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.