Finding the Fourth Proportional to 1,386,653.16, 2,079,979.76 and 375,775.08
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Solution
The fourth proportional to 1,386,653.16, 2,079,979.76 and 375,775.08 is: 563,662.63
Step by Step Solution
- Step 1: Write the proportion equation
1,386,653.16 : 2,079,979.76 = 375,775.08 : x - Step 2: Convert to fraction form
1,386,653.16/2,079,979.76 = 375,775.08/x - Step 3: Cross multiply
1,386,653.16x = 2,079,979.76 × 375,775.08 - Step 4: Simplify right side
1,386,653.16x = 781,604,560,712.38 - Step 5: Solve for x
x = 781,604,560,712.38/1,386,653.16 - Step 6: Final answer
x = 563,662.63
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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.