Finding the Fourth Proportional to 1,782,280.84, 2,674,121.10 and 784,309
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Solution
The fourth proportional to 1,782,280.84, 2,674,121.10 and 784,309 is: 1,176,771.47
Step by Step Solution
- Step 1: Write the proportion equation
1,782,280.84 : 2,674,121.10 = 784,309 : x - Step 2: Convert to fraction form
1,782,280.84/2,674,121.10 = 784,309/x - Step 3: Cross multiply
1,782,280.84x = 2,674,121.10 × 784,309 - Step 4: Simplify right side
1,782,280.84x = 2,097,337,245,819.90 - Step 5: Solve for x
x = 2,097,337,245,819.90/1,782,280.84 - Step 6: Final answer
x = 1,176,771.47
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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.