Finding the Fourth Proportional to 3,816,591.71, 5,725,165.49 and 1,420,435.53
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Solution
The fourth proportional to 3,816,591.71, 5,725,165.49 and 1,420,435.53 is: 2,130,756.73
Step by Step Solution
- Step 1: Write the proportion equation
3,816,591.71 : 5,725,165.49 = 1,420,435.53 : x - Step 2: Convert to fraction form
3,816,591.71/5,725,165.49 = 1,420,435.53/x - Step 3: Cross multiply
3,816,591.71x = 5,725,165.49 × 1,420,435.53 - Step 4: Simplify right side
3,816,591.71x = 8,132,228,470,023.68 - Step 5: Solve for x
x = 8,132,228,470,023.68/3,816,591.71 - Step 6: Final answer
x = 2,130,756.73
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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.