Finding the Fourth Proportional to 1,886,907.36, 2,603,853.97 and 1,027,465.57
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Solution
The fourth proportional to 1,886,907.36, 2,603,853.97 and 1,027,465.57 is: 1,417,859.91
Step by Step Solution
- Step 1: Write the proportion equation
1,886,907.36 : 2,603,853.97 = 1,027,465.57 : x - Step 2: Convert to fraction form
1,886,907.36/2,603,853.97 = 1,027,465.57/x - Step 3: Cross multiply
1,886,907.36x = 2,603,853.97 × 1,027,465.57 - Step 4: Simplify right side
1,886,907.36x = 2,675,370,303,482.81 - Step 5: Solve for x
x = 2,675,370,303,482.81/1,886,907.36 - Step 6: Final answer
x = 1,417,859.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.