Finding the Fourth Proportional to 1,906,809.08, 2,860,211.10 and 486,865.40
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Solution
The fourth proportional to 1,906,809.08, 2,860,211.10 and 486,865.40 is: 730,297.46
Step by Step Solution
- Step 1: Write the proportion equation
1,906,809.08 : 2,860,211.10 = 486,865.40 : x - Step 2: Convert to fraction form
1,906,809.08/2,860,211.10 = 486,865.40/x - Step 3: Cross multiply
1,906,809.08x = 2,860,211.10 × 486,865.40 - Step 4: Simplify right side
1,906,809.08x = 1,392,537,821,285.94 - Step 5: Solve for x
x = 1,392,537,821,285.94/1,906,809.08 - Step 6: Final answer
x = 730,297.46
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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.