Finding the Fourth Proportional to 1,857,386.94, 2,787,323.13 and 675,434.94
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Solution
The fourth proportional to 1,857,386.94, 2,787,323.13 and 675,434.94 is: 1,013,604.32
Step by Step Solution
- Step 1: Write the proportion equation
1,857,386.94 : 2,787,323.13 = 675,434.94 : x - Step 2: Convert to fraction form
1,857,386.94/2,787,323.13 = 675,434.94/x - Step 3: Cross multiply
1,857,386.94x = 2,787,323.13 × 675,434.94 - Step 4: Simplify right side
1,857,386.94x = 1,882,655,431,072.16 - Step 5: Solve for x
x = 1,882,655,431,072.16/1,857,386.94 - Step 6: Final answer
x = 1,013,604.32
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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.