Finding the Fourth Proportional to 5,432,859.90, 8,149,289.85 and 5,348,879.10
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Solution
The fourth proportional to 5,432,859.90, 8,149,289.85 and 5,348,879.10 is: 8,023,318.65
Step by Step Solution
- Step 1: Write the proportion equation
5,432,859.90 : 8,149,289.85 = 5,348,879.10 : x - Step 2: Convert to fraction form
5,432,859.90/8,149,289.85 = 5,348,879.10/x - Step 3: Cross multiply
5,432,859.90x = 8,149,289.85 × 5,348,879.10 - Step 4: Simplify right side
5,432,859.90x = 43,589,566,158,507.13 - Step 5: Solve for x
x = 43,589,566,158,507.13/5,432,859.90 - Step 6: Final answer
x = 8,023,318.65
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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.