Finding the Fourth Proportional to 5,425,285.02, 7,486,900.47 and 2,977,909.98
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Solution
The fourth proportional to 5,425,285.02, 7,486,900.47 and 2,977,909.98 is: 4,109,519.69
Step by Step Solution
- Step 1: Write the proportion equation
5,425,285.02 : 7,486,900.47 = 2,977,909.98 : x - Step 2: Convert to fraction form
5,425,285.02/7,486,900.47 = 2,977,909.98/x - Step 3: Cross multiply
5,425,285.02x = 7,486,900.47 × 2,977,909.98 - Step 4: Simplify right side
5,425,285.02x = 22,295,315,628,879.69 - Step 5: Solve for x
x = 22,295,315,628,879.69/5,425,285.02 - Step 6: Final answer
x = 4,109,519.69
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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.