Finding the Fourth Proportional to 3,135,009.24, 4,298,134.20 and 3,078,322.20
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Solution
The fourth proportional to 3,135,009.24, 4,298,134.20 and 3,078,322.20 is: 4,220,415.61
Step by Step Solution
- Step 1: Write the proportion equation
3,135,009.24 : 4,298,134.20 = 3,078,322.20 : x - Step 2: Convert to fraction form
3,135,009.24/4,298,134.20 = 3,078,322.20/x - Step 3: Cross multiply
3,135,009.24x = 4,298,134.20 × 3,078,322.20 - Step 4: Simplify right side
3,135,009.24x = 13,231,041,926,439.24 - Step 5: Solve for x
x = 13,231,041,926,439.24/3,135,009.24 - Step 6: Final answer
x = 4,220,415.61
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.