Finding the Fourth Proportional to 3,565,161.99, 4,919,909.36 and 1,933,562.79
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Solution
The fourth proportional to 3,565,161.99, 4,919,909.36 and 1,933,562.79 is: 2,668,308.95
Step by Step Solution
- Step 1: Write the proportion equation
3,565,161.99 : 4,919,909.36 = 1,933,562.79 : x - Step 2: Convert to fraction form
3,565,161.99/4,919,909.36 = 1,933,562.79/x - Step 3: Cross multiply
3,565,161.99x = 4,919,909.36 × 1,933,562.79 - Step 4: Simplify right side
3,565,161.99x = 9,512,953,659,000.90 - Step 5: Solve for x
x = 9,512,953,659,000.90/3,565,161.99 - Step 6: Final answer
x = 2,668,308.95
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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.