Finding the Fourth Proportional to 4,248,056.97, 5,860,780.84 and 2,778,804.18
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Solution
The fourth proportional to 4,248,056.97, 5,860,780.84 and 2,778,804.18 is: 3,833,743.85
Step by Step Solution
- Step 1: Write the proportion equation
4,248,056.97 : 5,860,780.84 = 2,778,804.18 : x - Step 2: Convert to fraction form
4,248,056.97/5,860,780.84 = 2,778,804.18/x - Step 3: Cross multiply
4,248,056.97x = 5,860,780.84 × 2,778,804.18 - Step 4: Simplify right side
4,248,056.97x = 16,285,962,296,255.91 - Step 5: Solve for x
x = 16,285,962,296,255.91/4,248,056.97 - Step 6: Final answer
x = 3,833,743.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.