Finding the Fourth Proportional to 1,475,135.80, 2,212,703.70 and 1,454,140.60
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Solution
The fourth proportional to 1,475,135.80, 2,212,703.70 and 1,454,140.60 is: 2,181,210.90
Step by Step Solution
- Step 1: Write the proportion equation
1,475,135.80 : 2,212,703.70 = 1,454,140.60 : x - Step 2: Convert to fraction form
1,475,135.80/2,212,703.70 = 1,454,140.60/x - Step 3: Cross multiply
1,475,135.80x = 2,212,703.70 × 1,454,140.60 - Step 4: Simplify right side
1,475,135.80x = 3,217,582,285,940.22 - Step 5: Solve for x
x = 3,217,582,285,940.22/1,475,135.80 - Step 6: Final answer
x = 2,181,210.90
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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.