Finding the Fourth Proportional to 4,031,257.99, 5,563,134.97 and 2,220,421.99
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Solution
The fourth proportional to 4,031,257.99, 5,563,134.97 and 2,220,421.99 is: 3,064,181.76
Step by Step Solution
- Step 1: Write the proportion equation
4,031,257.99 : 5,563,134.97 = 2,220,421.99 : x - Step 2: Convert to fraction form
4,031,257.99/5,563,134.97 = 2,220,421.99/x - Step 3: Cross multiply
4,031,257.99x = 5,563,134.97 × 2,220,421.99 - Step 4: Simplify right side
4,031,257.99x = 12,352,507,220,725.99 - Step 5: Solve for x
x = 12,352,507,220,725.99/4,031,257.99 - Step 6: Final answer
x = 3,064,181.76
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1.5x scale
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.