Finding the Fourth Proportional to 1,970,012.19, 2,955,107.19 and 603,687.57
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Solution
The fourth proportional to 1,970,012.19, 2,955,107.19 and 603,687.57 is: 905,558.60
Step by Step Solution
- Step 1: Write the proportion equation
1,970,012.19 : 2,955,107.19 = 603,687.57 : x - Step 2: Convert to fraction form
1,970,012.19/2,955,107.19 = 603,687.57/x - Step 3: Cross multiply
1,970,012.19x = 2,955,107.19 × 603,687.57 - Step 4: Simplify right side
1,970,012.19x = 1,783,961,478,620.63 - Step 5: Solve for x
x = 1,783,961,478,620.63/1,970,012.19 - Step 6: Final answer
x = 905,558.60
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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.