Finding the Fourth Proportional to 2,143,099.60, 3,214,772.54 and 777,170.68
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Solution
The fourth proportional to 2,143,099.60, 3,214,772.54 and 777,170.68 is: 1,165,800.68
Step by Step Solution
- Step 1: Write the proportion equation
2,143,099.60 : 3,214,772.54 = 777,170.68 : x - Step 2: Convert to fraction form
2,143,099.60/3,214,772.54 = 777,170.68/x - Step 3: Cross multiply
2,143,099.60x = 3,214,772.54 × 777,170.68 - Step 4: Simplify right side
2,143,099.60x = 2,498,426,960,957.13 - Step 5: Solve for x
x = 2,498,426,960,957.13/2,143,099.60 - Step 6: Final answer
x = 1,165,800.68
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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.