Finding the Fourth Proportional to 4,536,156, 6,801,871.56 and 2,139,357.09
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Solution
The fourth proportional to 4,536,156, 6,801,871.56 and 2,139,357.09 is: 3,207,921.45
Step by Step Solution
- Step 1: Write the proportion equation
4,536,156 : 6,801,871.56 = 2,139,357.09 : x - Step 2: Convert to fraction form
4,536,156/6,801,871.56 = 2,139,357.09/x - Step 3: Cross multiply
4,536,156x = 6,801,871.56 × 2,139,357.09 - Step 4: Simplify right side
4,536,156x = 14,551,632,147,155.36 - Step 5: Solve for x
x = 14,551,632,147,155.36/4,536,156 - Step 6: Final answer
x = 3,207,921.45
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1.5x scale
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.