Finding the Fourth Proportional to 2,809,562.07, 4,213,868.18 and 787,340.91
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Solution
The fourth proportional to 2,809,562.07, 4,213,868.18 and 787,340.91 is: 1,180,878.28
Step by Step Solution
- Step 1: Write the proportion equation
2,809,562.07 : 4,213,868.18 = 787,340.91 : x - Step 2: Convert to fraction form
2,809,562.07/4,213,868.18 = 787,340.91/x - Step 3: Cross multiply
2,809,562.07x = 4,213,868.18 × 787,340.91 - Step 4: Simplify right side
2,809,562.07x = 3,317,750,816,027.56 - Step 5: Solve for x
x = 3,317,750,816,027.56/2,809,562.07 - Step 6: Final answer
x = 1,180,878.28
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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.