Finding the Fourth Proportional to 2,277,135.36, 3,140,412.80 and 1,889,336.82
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Solution
The fourth proportional to 2,277,135.36, 3,140,412.80 and 1,889,336.82 is: 2,605,597.21
Step by Step Solution
- Step 1: Write the proportion equation
2,277,135.36 : 3,140,412.80 = 1,889,336.82 : x - Step 2: Convert to fraction form
2,277,135.36/3,140,412.80 = 1,889,336.82/x - Step 3: Cross multiply
2,277,135.36x = 3,140,412.80 × 1,889,336.82 - Step 4: Simplify right side
2,277,135.36x = 5,933,297,533,039.30 - Step 5: Solve for x
x = 5,933,297,533,039.30/2,277,135.36 - Step 6: Final answer
x = 2,605,597.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.