Finding the Fourth Proportional to 2,382,864.56, 3,288,386.40 and 1,295,135.84
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Solution
The fourth proportional to 2,382,864.56, 3,288,386.40 and 1,295,135.84 is: 1,787,305.56
Step by Step Solution
- Step 1: Write the proportion equation
2,382,864.56 : 3,288,386.40 = 1,295,135.84 : x - Step 2: Convert to fraction form
2,382,864.56/3,288,386.40 = 1,295,135.84/x - Step 3: Cross multiply
2,382,864.56x = 3,288,386.40 × 1,295,135.84 - Step 4: Simplify right side
2,382,864.56x = 4,258,907,082,408.58 - Step 5: Solve for x
x = 4,258,907,082,408.58/2,382,864.56 - Step 6: Final answer
x = 1,787,305.56
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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.