Finding the Fourth Proportional to 6,909,167.20, 9,534,220.68 and 3,811,730.44
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Solution
The fourth proportional to 6,909,167.20, 9,534,220.68 and 3,811,730.44 is: 5,259,950.75
Step by Step Solution
- Step 1: Write the proportion equation
6,909,167.20 : 9,534,220.68 = 3,811,730.44 : x - Step 2: Convert to fraction form
6,909,167.20/9,534,220.68 = 3,811,730.44/x - Step 3: Cross multiply
6,909,167.20x = 9,534,220.68 × 3,811,730.44 - Step 4: Simplify right side
6,909,167.20x = 36,341,879,187,633.50 - Step 5: Solve for x
x = 36,341,879,187,633.50/6,909,167.20 - Step 6: Final answer
x = 5,259,950.75
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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.