Finding the Fourth Proportional to 3,852,023.70, 5,778,035.55 and 1,962,455.70
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Solution
The fourth proportional to 3,852,023.70, 5,778,035.55 and 1,962,455.70 is: 2,943,683.55
Step by Step Solution
- Step 1: Write the proportion equation
3,852,023.70 : 5,778,035.55 = 1,962,455.70 : x - Step 2: Convert to fraction form
3,852,023.70/5,778,035.55 = 1,962,455.70/x - Step 3: Cross multiply
3,852,023.70x = 5,778,035.55 × 1,962,455.70 - Step 4: Simplify right side
3,852,023.70x = 11,339,138,799,900.13 - Step 5: Solve for x
x = 11,339,138,799,900.13/3,852,023.70 - Step 6: Final answer
x = 2,943,683.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.