Finding the Fourth Proportional to 2,478,219.44, 3,717,550.55 and 772,377.19
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Solution
The fourth proportional to 2,478,219.44, 3,717,550.55 and 772,377.19 is: 1,158,634.78
Step by Step Solution
- Step 1: Write the proportion equation
2,478,219.44 : 3,717,550.55 = 772,377.19 : x - Step 2: Convert to fraction form
2,478,219.44/3,717,550.55 = 772,377.19/x - Step 3: Cross multiply
2,478,219.44x = 3,717,550.55 × 772,377.19 - Step 4: Simplify right side
2,478,219.44x = 2,871,351,240,129.02 - Step 5: Solve for x
x = 2,871,351,240,129.02/2,478,219.44 - Step 6: Final answer
x = 1,158,634.78
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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.