Finding the Fourth Proportional to 6,467,569.98, 8,922,992.82 and 4,145,742.84
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Solution
The fourth proportional to 6,467,569.98, 8,922,992.82 and 4,145,742.84 is: 5,719,680.45
Step by Step Solution
- Step 1: Write the proportion equation
6,467,569.98 : 8,922,992.82 = 4,145,742.84 : x - Step 2: Convert to fraction form
6,467,569.98/8,922,992.82 = 4,145,742.84/x - Step 3: Cross multiply
6,467,569.98x = 8,922,992.82 × 4,145,742.84 - Step 4: Simplify right side
6,467,569.98x = 36,992,433,594,886.41 - Step 5: Solve for x
x = 36,992,433,594,886.41/6,467,569.98 - Step 6: Final answer
x = 5,719,680.45
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1.5x scale
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.