Finding the Fourth Proportional to 2,177,578.41, 3,004,979.66 and 1,197,509.19
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Solution
The fourth proportional to 2,177,578.41, 3,004,979.66 and 1,197,509.19 is: 1,652,519.49
Step by Step Solution
- Step 1: Write the proportion equation
2,177,578.41 : 3,004,979.66 = 1,197,509.19 : x - Step 2: Convert to fraction form
2,177,578.41/3,004,979.66 = 1,197,509.19/x - Step 3: Cross multiply
2,177,578.41x = 3,004,979.66 × 1,197,509.19 - Step 4: Simplify right side
2,177,578.41x = 3,598,490,758,613.08 - Step 5: Solve for x
x = 3,598,490,758,613.08/2,177,578.41 - Step 6: Final answer
x = 1,652,519.49
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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.