Finding the Fourth Proportional to 3,734,447.40, 5,588,768.70 and 2,239,612.20
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Solution
The fourth proportional to 3,734,447.40, 5,588,768.70 and 2,239,612.20 is: 3,351,680.51
Step by Step Solution
- Step 1: Write the proportion equation
3,734,447.40 : 5,588,768.70 = 2,239,612.20 : x - Step 2: Convert to fraction form
3,734,447.40/5,588,768.70 = 2,239,612.20/x - Step 3: Cross multiply
3,734,447.40x = 5,588,768.70 × 2,239,612.20 - Step 4: Simplify right side
3,734,447.40x = 12,516,674,563,498.14 - Step 5: Solve for x
x = 12,516,674,563,498.14/3,734,447.40 - Step 6: Final answer
x = 3,351,680.51
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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.