Finding the Fourth Proportional to 2,740,415.20, 4,110,622.80 and 847,153.60
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Solution
The fourth proportional to 2,740,415.20, 4,110,622.80 and 847,153.60 is: 1,270,730.40
Step by Step Solution
- Step 1: Write the proportion equation
2,740,415.20 : 4,110,622.80 = 847,153.60 : x - Step 2: Convert to fraction form
2,740,415.20/4,110,622.80 = 847,153.60/x - Step 3: Cross multiply
2,740,415.20x = 4,110,622.80 × 847,153.60 - Step 4: Simplify right side
2,740,415.20x = 3,482,328,903,262.08 - Step 5: Solve for x
x = 3,482,328,903,262.08/2,740,415.20 - Step 6: Final answer
x = 1,270,730.40
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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.