Finding the Fourth Proportional to 3,853,116.20, 5,777,924.70 and 1,456,164.20
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Solution
The fourth proportional to 3,853,116.20, 5,777,924.70 and 1,456,164.20 is: 2,183,585.09
Step by Step Solution
- Step 1: Write the proportion equation
3,853,116.20 : 5,777,924.70 = 1,456,164.20 : x - Step 2: Convert to fraction form
3,853,116.20/5,777,924.70 = 1,456,164.20/x - Step 3: Cross multiply
3,853,116.20x = 5,777,924.70 × 1,456,164.20 - Step 4: Simplify right side
3,853,116.20x = 8,413,607,098,435.74 - Step 5: Solve for x
x = 8,413,607,098,435.74/3,853,116.20 - Step 6: Final answer
x = 2,183,585.09
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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.