Finding the Fourth Proportional to 5,169,966.44, 7,134,323.50 and 2,963,247.40
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Solution
The fourth proportional to 5,169,966.44, 7,134,323.50 and 2,963,247.40 is: 4,089,149.48
Step by Step Solution
- Step 1: Write the proportion equation
5,169,966.44 : 7,134,323.50 = 2,963,247.40 : x - Step 2: Convert to fraction form
5,169,966.44/7,134,323.50 = 2,963,247.40/x - Step 3: Cross multiply
5,169,966.44x = 7,134,323.50 × 2,963,247.40 - Step 4: Simplify right side
5,169,966.44x = 21,140,765,562,133.90 - Step 5: Solve for x
x = 21,140,765,562,133.90/5,169,966.44 - Step 6: Final answer
x = 4,089,149.48
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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.