Finding the Fourth Proportional to 5,348,334.09, 8,020,490.40 and 1,935,777.54
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Solution
The fourth proportional to 5,348,334.09, 8,020,490.40 and 1,935,777.54 is: 2,902,938.54
Step by Step Solution
- Step 1: Write the proportion equation
5,348,334.09 : 8,020,490.40 = 1,935,777.54 : x - Step 2: Convert to fraction form
5,348,334.09/8,020,490.40 = 1,935,777.54/x - Step 3: Cross multiply
5,348,334.09x = 8,020,490.40 × 1,935,777.54 - Step 4: Simplify right side
5,348,334.09x = 15,525,885,176,105.62 - Step 5: Solve for x
x = 15,525,885,176,105.62/5,348,334.09 - Step 6: Final answer
x = 2,902,938.54
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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.