Finding the Fourth Proportional to 2,605,993.36, 3,909,481.12 and 987,247.06
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Solution
The fourth proportional to 2,605,993.36, 3,909,481.12 and 987,247.06 is: 1,481,056.63
Step by Step Solution
- Step 1: Write the proportion equation
2,605,993.36 : 3,909,481.12 = 987,247.06 : x - Step 2: Convert to fraction form
2,605,993.36/3,909,481.12 = 987,247.06/x - Step 3: Cross multiply
2,605,993.36x = 3,909,481.12 × 987,247.06 - Step 4: Simplify right side
2,605,993.36x = 3,859,623,741,845.51 - Step 5: Solve for x
x = 3,859,623,741,845.51/2,605,993.36 - Step 6: Final answer
x = 1,481,056.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.