Finding the Fourth Proportional to 4,216,221.06, 5,818,386.99 and 2,282,481.66
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Solution
The fourth proportional to 4,216,221.06, 5,818,386.99 and 2,282,481.66 is: 3,149,825.73
Step by Step Solution
- Step 1: Write the proportion equation
4,216,221.06 : 5,818,386.99 = 2,282,481.66 : x - Step 2: Convert to fraction form
4,216,221.06/5,818,386.99 = 2,282,481.66/x - Step 3: Cross multiply
4,216,221.06x = 5,818,386.99 × 2,282,481.66 - Step 4: Simplify right side
4,216,221.06x = 13,280,361,595,457.61 - Step 5: Solve for x
x = 13,280,361,595,457.61/4,216,221.06 - Step 6: Final answer
x = 3,149,825.73
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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.