Finding the Fourth Proportional to 3,964,580.06, 5,470,681.70 and 2,198,433.96
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Solution
The fourth proportional to 3,964,580.06, 5,470,681.70 and 2,198,433.96 is: 3,033,595.56
Step by Step Solution
- Step 1: Write the proportion equation
3,964,580.06 : 5,470,681.70 = 2,198,433.96 : x - Step 2: Convert to fraction form
3,964,580.06/5,470,681.70 = 2,198,433.96/x - Step 3: Cross multiply
3,964,580.06x = 5,470,681.70 × 2,198,433.96 - Step 4: Simplify right side
3,964,580.06x = 12,026,932,439,126.62 - Step 5: Solve for x
x = 12,026,932,439,126.62/3,964,580.06 - Step 6: Final answer
x = 3,033,595.56
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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.