Finding the Fourth Proportional to 5,408,041.46, 7,468,155.99 and 3,477,655.94
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Solution
The fourth proportional to 5,408,041.46, 7,468,155.99 and 3,477,655.94 is: 4,802,418.25
Step by Step Solution
- Step 1: Write the proportion equation
5,408,041.46 : 7,468,155.99 = 3,477,655.94 : x - Step 2: Convert to fraction form
5,408,041.46/7,468,155.99 = 3,477,655.94/x - Step 3: Cross multiply
5,408,041.46x = 7,468,155.99 × 3,477,655.94 - Step 4: Simplify right side
5,408,041.46x = 25,971,677,002,129.30 - Step 5: Solve for x
x = 25,971,677,002,129.30/5,408,041.46 - Step 6: Final answer
x = 4,802,418.25
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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.