Finding the Fourth Proportional to 2,134,851.80, 2,946,474.74 and 1,264,169.79
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Solution
The fourth proportional to 2,134,851.80, 2,946,474.74 and 1,264,169.79 is: 1,744,778.90
Step by Step Solution
- Step 1: Write the proportion equation
2,134,851.80 : 2,946,474.74 = 1,264,169.79 : x - Step 2: Convert to fraction form
2,134,851.80/2,946,474.74 = 1,264,169.79/x - Step 3: Cross multiply
2,134,851.80x = 2,946,474.74 × 1,264,169.79 - Step 4: Simplify right side
2,134,851.80x = 3,724,844,356,466.53 - Step 5: Solve for x
x = 3,724,844,356,466.53/2,134,851.80 - Step 6: Final answer
x = 1,744,778.90
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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.