Finding the Fourth Proportional to 3,521,877.90, 4,860,209.43 and 1,994,282.70
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Solution
The fourth proportional to 3,521,877.90, 4,860,209.43 and 1,994,282.70 is: 2,752,120.28
Step by Step Solution
- Step 1: Write the proportion equation
3,521,877.90 : 4,860,209.43 = 1,994,282.70 : x - Step 2: Convert to fraction form
3,521,877.90/4,860,209.43 = 1,994,282.70/x - Step 3: Cross multiply
3,521,877.90x = 4,860,209.43 × 1,994,282.70 - Step 4: Simplify right side
3,521,877.90x = 9,692,631,584,625.86 - Step 5: Solve for x
x = 9,692,631,584,625.86/3,521,877.90 - Step 6: Final answer
x = 2,752,120.28
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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.