Finding the Fourth Proportional to 6,867,585.28, 10,303,542.84 and 4,310,578.72
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Solution
The fourth proportional to 6,867,585.28, 10,303,542.84 and 4,310,578.72 is: 6,467,226.94
Step by Step Solution
- Step 1: Write the proportion equation
6,867,585.28 : 10,303,542.84 = 4,310,578.72 : x - Step 2: Convert to fraction form
6,867,585.28/10,303,542.84 = 4,310,578.72/x - Step 3: Cross multiply
6,867,585.28x = 10,303,542.84 × 4,310,578.72 - Step 4: Simplify right side
6,867,585.28x = 44,414,232,506,712.36 - Step 5: Solve for x
x = 44,414,232,506,712.36/6,867,585.28 - Step 6: Final answer
x = 6,467,226.94
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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.