Finding the Fourth Proportional to 2,690,800.80, 3,713,286.80 and 1,483,576.80
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Solution
The fourth proportional to 2,690,800.80, 3,713,286.80 and 1,483,576.80 is: 2,047,325.89
Step by Step Solution
- Step 1: Write the proportion equation
2,690,800.80 : 3,713,286.80 = 1,483,576.80 : x - Step 2: Convert to fraction form
2,690,800.80/3,713,286.80 = 1,483,576.80/x - Step 3: Cross multiply
2,690,800.80x = 3,713,286.80 × 1,483,576.80 - Step 4: Simplify right side
2,690,800.80x = 5,508,946,148,226.24 - Step 5: Solve for x
x = 5,508,946,148,226.24/2,690,800.80 - Step 6: Final answer
x = 2,047,325.89
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1.5x scale
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.