Finding the Fourth Proportional to 4,440,777.37, 6,128,628.79 and 3,530,518.59
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Solution
The fourth proportional to 4,440,777.37, 6,128,628.79 and 3,530,518.59 is: 4,872,398.69
Step by Step Solution
- Step 1: Write the proportion equation
4,440,777.37 : 6,128,628.79 = 3,530,518.59 : x - Step 2: Convert to fraction form
4,440,777.37/6,128,628.79 = 3,530,518.59/x - Step 3: Cross multiply
4,440,777.37x = 6,128,628.79 × 3,530,518.59 - Step 4: Simplify right side
4,440,777.37x = 21,637,237,834,834.77 - Step 5: Solve for x
x = 21,637,237,834,834.77/4,440,777.37 - Step 6: Final answer
x = 4,872,398.69
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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.