Finding the Fourth Proportional to 4,278,380.48, 6,417,438.96 and 1,752,133.04
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Solution
The fourth proportional to 4,278,380.48, 6,417,438.96 and 1,752,133.04 is: 2,628,145.60
Step by Step Solution
- Step 1: Write the proportion equation
4,278,380.48 : 6,417,438.96 = 1,752,133.04 : x - Step 2: Convert to fraction form
4,278,380.48/6,417,438.96 = 1,752,133.04/x - Step 3: Cross multiply
4,278,380.48x = 6,417,438.96 × 1,752,133.04 - Step 4: Simplify right side
4,278,380.48x = 11,244,206,833,999.24 - Step 5: Solve for x
x = 11,244,206,833,999.24/4,278,380.48 - Step 6: Final answer
x = 2,628,145.60
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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.