Finding the Fourth Proportional to 2,334,305.22, 3,221,365.74 and 1,315,709.98
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Solution
The fourth proportional to 2,334,305.22, 3,221,365.74 and 1,315,709.98 is: 1,815,693.60
Step by Step Solution
- Step 1: Write the proportion equation
2,334,305.22 : 3,221,365.74 = 1,315,709.98 : x - Step 2: Convert to fraction form
2,334,305.22/3,221,365.74 = 1,315,709.98/x - Step 3: Cross multiply
2,334,305.22x = 3,221,365.74 × 1,315,709.98 - Step 4: Simplify right side
2,334,305.22x = 4,238,383,053,348.09 - Step 5: Solve for x
x = 4,238,383,053,348.09/2,334,305.22 - Step 6: Final answer
x = 1,815,693.60
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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.