Finding the Fourth Proportional to 4,311,888.80, 6,467,314.80 and 1,787,280.80
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Solution
The fourth proportional to 4,311,888.80, 6,467,314.80 and 1,787,280.80 is: 2,680,706.32
Step by Step Solution
- Step 1: Write the proportion equation
4,311,888.80 : 6,467,314.80 = 1,787,280.80 : x - Step 2: Convert to fraction form
4,311,888.80/6,467,314.80 = 1,787,280.80/x - Step 3: Cross multiply
4,311,888.80x = 6,467,314.80 × 1,787,280.80 - Step 4: Simplify right side
4,311,888.80x = 11,558,907,569,595.84 - Step 5: Solve for x
x = 11,558,907,569,595.84/4,311,888.80 - Step 6: Final answer
x = 2,680,706.32
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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.