Finding the Fourth Proportional to 5,442,023.60, 8,163,899.40 and 1,848,129.20
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Solution
The fourth proportional to 5,442,023.60, 8,163,899.40 and 1,848,129.20 is: 2,772,487.22
Step by Step Solution
- Step 1: Write the proportion equation
5,442,023.60 : 8,163,899.40 = 1,848,129.20 : x - Step 2: Convert to fraction form
5,442,023.60/8,163,899.40 = 1,848,129.20/x - Step 3: Cross multiply
5,442,023.60x = 8,163,899.40 × 1,848,129.20 - Step 4: Simplify right side
5,442,023.60x = 15,087,940,867,002.48 - Step 5: Solve for x
x = 15,087,940,867,002.48/5,442,023.60 - Step 6: Final answer
x = 2,772,487.22
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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.