Finding the Fourth Proportional to 1,210,204.53, 1,666,480.10 and 1,183,351.95
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Solution
The fourth proportional to 1,210,204.53, 1,666,480.10 and 1,183,351.95 is: 1,629,503.46
Step by Step Solution
- Step 1: Write the proportion equation
1,210,204.53 : 1,666,480.10 = 1,183,351.95 : x - Step 2: Convert to fraction form
1,210,204.53/1,666,480.10 = 1,183,351.95/x - Step 3: Cross multiply
1,210,204.53x = 1,666,480.10 × 1,183,351.95 - Step 4: Simplify right side
1,210,204.53x = 1,972,032,470,054.44 - Step 5: Solve for x
x = 1,972,032,470,054.44/1,210,204.53 - Step 6: Final answer
x = 1,629,503.46
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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.