Finding the Fourth Proportional to 4,031,260.74, 5,563,138.76 and 2,220,424.74
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Solution
The fourth proportional to 4,031,260.74, 5,563,138.76 and 2,220,424.74 is: 3,064,185.56
Step by Step Solution
- Step 1: Write the proportion equation
4,031,260.74 : 5,563,138.76 = 2,220,424.74 : x - Step 2: Convert to fraction form
4,031,260.74/5,563,138.76 = 2,220,424.74/x - Step 3: Cross multiply
4,031,260.74x = 5,563,138.76 × 2,220,424.74 - Step 4: Simplify right side
4,031,260.74x = 12,352,530,934,756.92 - Step 5: Solve for x
x = 12,352,530,934,756.92/4,031,260.74 - Step 6: Final answer
x = 3,064,185.56
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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.