Finding the Fourth Proportional to 1,454,009.94, 2,180,848.05 and 389,135.07
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Solution
The fourth proportional to 1,454,009.94, 2,180,848.05 and 389,135.07 is: 583,657.95
Step by Step Solution
- Step 1: Write the proportion equation
1,454,009.94 : 2,180,848.05 = 389,135.07 : x - Step 2: Convert to fraction form
1,454,009.94/2,180,848.05 = 389,135.07/x - Step 3: Cross multiply
1,454,009.94x = 2,180,848.05 × 389,135.07 - Step 4: Simplify right side
1,454,009.94x = 848,644,458,596.11 - Step 5: Solve for x
x = 848,644,458,596.11/1,454,009.94 - Step 6: Final answer
x = 583,657.95
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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.