Finding the Fourth Proportional to 2,778,261.99, 4,162,000.73 and 2,047,457.98
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Solution
The fourth proportional to 2,778,261.99, 4,162,000.73 and 2,047,457.98 is: 3,067,213.11
Step by Step Solution
- Step 1: Write the proportion equation
2,778,261.99 : 4,162,000.73 = 2,047,457.98 : x - Step 2: Convert to fraction form
2,778,261.99/4,162,000.73 = 2,047,457.98/x - Step 3: Cross multiply
2,778,261.99x = 4,162,000.73 × 2,047,457.98 - Step 4: Simplify right side
2,778,261.99x = 8,521,521,607,404.33 - Step 5: Solve for x
x = 8,521,521,607,404.33/2,778,261.99 - Step 6: Final answer
x = 3,067,213.11
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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.