Finding the Fourth Proportional to 5,748,438.42, 8,623,155.60 and 2,106,157.58
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Solution
The fourth proportional to 5,748,438.42, 8,623,155.60 and 2,106,157.58 is: 3,159,418.82
Step by Step Solution
- Step 1: Write the proportion equation
5,748,438.42 : 8,623,155.60 = 2,106,157.58 : x - Step 2: Convert to fraction form
5,748,438.42/8,623,155.60 = 2,106,157.58/x - Step 3: Cross multiply
5,748,438.42x = 8,623,155.60 × 2,106,157.58 - Step 4: Simplify right side
5,748,438.42x = 18,161,724,530,459.45 - Step 5: Solve for x
x = 18,161,724,530,459.45/5,748,438.42 - Step 6: Final answer
x = 3,159,418.82
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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.