Finding the Fourth Proportional to 1,920,288.06, 2,886,263.28 and 1,282,853.70
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Solution
The fourth proportional to 1,920,288.06, 2,886,263.28 and 1,282,853.70 is: 1,928,176.09
Step by Step Solution
- Step 1: Write the proportion equation
1,920,288.06 : 2,886,263.28 = 1,282,853.70 : x - Step 2: Convert to fraction form
1,920,288.06/2,886,263.28 = 1,282,853.70/x - Step 3: Cross multiply
1,920,288.06x = 2,886,263.28 × 1,282,853.70 - Step 4: Simplify right side
1,920,288.06x = 3,702,653,527,922.14 - Step 5: Solve for x
x = 3,702,653,527,922.14/1,920,288.06 - Step 6: Final answer
x = 1,928,176.09
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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.