Finding the Fourth Proportional to 7,994,274.36, 11,991,300.78 and 1,928,955.48
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Solution
The fourth proportional to 7,994,274.36, 11,991,300.78 and 1,928,955.48 is: 2,893,406.49
Step by Step Solution
- Step 1: Write the proportion equation
7,994,274.36 : 11,991,300.78 = 1,928,955.48 : x - Step 2: Convert to fraction form
7,994,274.36/11,991,300.78 = 1,928,955.48/x - Step 3: Cross multiply
7,994,274.36x = 11,991,300.78 × 1,928,955.48 - Step 4: Simplify right side
7,994,274.36x = 23,130,685,351,909.27 - Step 5: Solve for x
x = 23,130,685,351,909.27/7,994,274.36 - Step 6: Final answer
x = 2,893,406.49
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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.