Finding the Fourth Proportional to 2,317,670.47, 3,198,392.36 and 1,285,250.95
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Solution
The fourth proportional to 2,317,670.47, 3,198,392.36 and 1,285,250.95 is: 1,773,650.25
Step by Step Solution
- Step 1: Write the proportion equation
2,317,670.47 : 3,198,392.36 = 1,285,250.95 : x - Step 2: Convert to fraction form
2,317,670.47/3,198,392.36 = 1,285,250.95/x - Step 3: Cross multiply
2,317,670.47x = 3,198,392.36 × 1,285,250.95 - Step 4: Simplify right side
2,317,670.47x = 4,110,736,819,162.74 - Step 5: Solve for x
x = 4,110,736,819,162.74/2,317,670.47 - Step 6: Final answer
x = 1,773,650.25
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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.